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question_answer1)
The horizontal line in the graph is called
A)
X-axis done
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B)
Y-axis done
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C)
line done
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D)
none of these done
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question_answer2)
The vertical line in the graph is called
A)
Y-axis done
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B)
X-axis done
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C)
ray done
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D)
none of these done
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question_answer3)
Highest marks are scored in the subject
A)
English done
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B)
Hindi done
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C)
Maths done
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D)
None of these done
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question_answer4)
Which is the highest peak?
A)
A done
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B)
E done
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C)
C done
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D)
B done
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question_answer5)
Write the ratio of the heights of highest peak and the lowest peak.
A)
22:15 done
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B)
15:22 done
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C)
20:13 done
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D)
13:22 done
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question_answer6)
Which peak is second highest?
A)
B done
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B)
A done
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C)
C done
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D)
E done
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question_answer7)
When the heights of the given peaks are written in ascending order, then what is the average of the middle two peaks?
A)
7950m done
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B)
7560m done
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C)
7650m done
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D)
7850m done
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question_answer8)
At what subject is the student sharp?
A)
English done
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B)
Mathematics done
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C)
Science done
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D)
History done
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question_answer9)
In which subject is the student poor?
A)
English done
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B)
Mathematics done
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C)
Science done
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D)
History done
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question_answer10)
What are the average marks obtained by the student?
A)
57 done
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B)
63 done
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C)
80 done
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D)
48 done
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question_answer11)
What is the percentage obtained by the student?
A)
80% done
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B)
63% done
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C)
57% done
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D)
90% done
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question_answer12)
What is the ratio of the highest marks to the lowest marks obtained by the student?
A)
2:11 done
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B)
9:2 done
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C)
2:9 done
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D)
11:2 done
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question_answer13)
The median of the following data 46, 64, 87, 41, 58, 77, 35, 90, 55, 33, 92 is
A)
87 done
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B)
77 done
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C)
58 done
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D)
60.2 done
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question_answer14)
Mean of a set of observations is the value which
A)
occurs most frequently done
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B)
divides observations into two equal parts done
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C)
is a representative of whole group done
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D)
is the sum of observations. done
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question_answer15)
The daily earnings (in rupees) of 10 workers in a factory are 8,16,19,8,16,19,16,8,19,16. The median wage is
A)
Rs.17.50 done
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B)
Rs.8.00 done
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C)
Rs.19.00 done
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D)
Rs.16.00 done
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question_answer16)
The mean of 6, y, 7, x and 14 is 8. Then
A)
\[x+y=13\] done
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B)
\[x-y=13\] done
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C)
\[2x+3y=13\] done
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D)
\[{{x}^{2}}+{{y}^{2}}=15\] done
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question_answer17)
The mode of a set of observations is the value which
A)
occurs most frequently done
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B)
is central done
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C)
is between maximum and minimum done
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D)
none of the foregoing done
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question_answer18)
The difference between the maximum and the minimum observations in the data is
A)
Class interval done
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B)
Frequency done
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C)
Cumulative frequency done
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D)
Range done
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question_answer19)
The number of times a particular item occurs in a class interval is called its
A)
Mean done
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B)
Frequency done
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C)
Cumulative frequency done
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D)
None of these done
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question_answer20)
If the mean of x and 1/x is M, then the mean of \[{{x}^{2}}\] and s\[1/{{x}^{2}}\] is
A)
\[{{M}^{2}}\] done
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B)
\[{{M}^{2}}/4\] done
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C)
\[2{{M}^{2}}-1\] done
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D)
\[2{{M}^{2}}+1\] done
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question_answer21)
In an examination, a candidate scores the following percentage of marks. English ? 44; Hindi ? 58; Maths?74; Physics ? 61; Chemistry? 62. If weights 2, 4, 4, 5, 3 respectively allotted to these subjects, then the candidate's weighted mean percentage is
A)
61 done
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B)
61.5 done
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C)
62 done
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D)
62.5 done
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question_answer22)
The average monthly income of a four members family is Rs.610.25, after the marriage of one girl the average income of the family becomes Rs.650.75, then the salary of married girl is
A)
Rs.488.25 done
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B)
Rs.488.75 done
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C)
Rs.479.75 done
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D)
Rs.489.25 done
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question_answer23)
The mean of first 10 natural numbers is
A)
\[\frac{5}{2}\] done
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B)
\[\frac{11}{2}\] done
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C)
\[\frac{13}{2}\] done
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D)
5 done
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question_answer24)
In a class test in English, 10 students scored 75 marks, 12 scored 60 marks, 8 scored 40 marks and 3 scored 30 marks. The mode for their scores is
A)
75 done
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B)
30 done
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C)
60 done
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D)
25 done
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question_answer25)
The mean of first five prime numbers is
A)
3 done
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B)
3.6 done
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C)
7 done
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D)
5.6 done
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question_answer26)
The mean of 20 items of a data is 5; and if each item is multiplied by 3, then the mean will be
A)
5 done
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B)
10 done
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C)
15 done
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D)
20 done
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question_answer27)
Following table shows the weights of 12 students
Weight (in kgs) | 67 | 70 | 72 | 73 | 75 |
Number of students | 4 | 3 | 2 | 2 | 1 |
The mean weight is
A)
70.36 done
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B)
70.89 done
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C)
70.25 done
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D)
None of these done
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question_answer28)
Mean of ages of 20 students is 10 years. 5 students with mean age of 15 years leave the class. Mean of ages of the remaining students will be:
A)
4 done
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B)
5.66 done
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C)
6.25 done
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D)
8.33 done
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question_answer29)
A student gets the following percentages in an examination English = 50%, Biology = 40%, Mathematics = 60%, Physics = 70%, Chemistry = 80% It was suggested that he has been given double weight age on his marks in Physics and Chemistry than in other subjects. What is the arithmetic weight age mean of marks?
A)
57.4 done
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B)
59.4 done
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C)
58.4 done
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D)
64.28 done
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question_answer30)
Find the mean of 50 observations. It is given that the mean of 32 of them is 28 and the mean of the remaining 18 observations is 30.
A)
30.24 done
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B)
28.72 done
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C)
24.82 done
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D)
30.32 done
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question_answer31)
Five students were tested in English and Hindi and the marks obtained by them were as under:
| A | B | C | D | E |
English | 55 | 60 | 82 | 65 | 75 |
Hindi | 21 | 25 | 86 | 90 | 99 |
Which subject has a better median value:
A)
Hindi done
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B)
English done
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C)
Both done
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D)
None of these done
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question_answer32)
Mean of the following frequency distribution is:
Class | 0 ? 5 | 5-10 | 10-15 | 15-20 | 20-25 |
Frequency | 2 | 4 | 8 | 6 | 10 |
A)
15.5 done
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B)
16.5 done
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C)
14.5 done
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D)
13.5 done
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question_answer33)
Average of 10 number is 15. Average of first six number is 20 and that of least five number is 18. What is the sixth number?
A)
60 done
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B)
70 done
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C)
50 done
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D)
85 done
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question_answer34)
The statistical data are of two types. These types are
A)
Technical data and presentation data done
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B)
Primary data and secondary data done
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C)
Primary data and personal data done
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D)
None of the above done
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question_answer35)
Following are the percentages of marks of 10 students of a class: 50, 60, 70, 72, 74, 75, 80, 88, 75, 100 Frequency of students in the class (60 - 68) will be:
A)
5 done
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B)
1 done
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C)
6 done
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D)
3 done
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question_answer36)
The mode of the following data:
Size | 1 | 3 | 5 | 7 | 9 |
Frequency | 6 | 9 | 12 | 3 | 15 |
is
A)
9 done
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B)
7 done
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C)
5 done
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D)
3 done
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question_answer37)
If the mean of \[{{x}_{1}}\] and that of \[{{x}_{1}},{{x}_{2}}{{x}_{3}},{{x}_{4}}\] is \[{{M}_{2}}\]the mean of \[{{x}_{1}},\]\[{{x}_{2}}\text{/}a,\]\[{{x}_{3}}+a,\]\[{{x}_{4}}-a\]is
A)
\[{{M}_{1}}+\frac{(a-1)({{x}_{1}}-2{{M}_{1}})}{4a}\] done
clear
B)
\[{{M}_{1}}+\frac{(a-1)\,{{x}_{1}}-2{{M}_{2}}}{4a}\] done
clear
C)
\[\frac{{{M}_{2}}}{4a}+(a-1){{x}_{1}}+2{{M}_{1}}\] done
clear
D)
\[\frac{{{M}_{1}}}{4a}+(a-1){{x}_{2}}+2{{M}_{2}}\] done
clear
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question_answer38)
The mean of \[{{x}_{1}},{{x}_{2}}.......{{x}_{50}}\] is M, if every \[{{x}_{i}},\,\,i=1,2.....50\]is replaced by \[{{x}_{p}}i=1,2.....50\] then the mean is
A)
M done
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B)
\[M+\frac{1}{50}\] done
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C)
\[\frac{50}{M}\] done
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D)
\[\frac{M}{50}\] done
clear
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question_answer39)
The attendance of a class of 45 boys for 10 days is given as 40, 42, 30, 35, 45, 44, 41, 38, 44 and 41 then the mean attendance of a class is
A)
39 done
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B)
40 done
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C)
41 done
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D)
43 done
clear
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question_answer40)
The numbers 3, 5, 6 and 4 have frequencies of x, x + 2, x ? 8 and x + 6 respectively. If their mean is 4 then the value of x is
A)
5 done
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B)
6 done
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C)
7 done
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D)
8 done
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question_answer41)
50% of all the cars consisted of which colours of car?
A)
Black, Golden, Blue, Red done
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B)
Blue, Black, Red, Silver done
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C)
White, Golden, Blue, Black done
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D)
White, Blue, Green, Black done
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question_answer42)
Cars of which color are 20% less popular than white coloured cars?
A)
Black done
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B)
Golden done
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C)
Red done
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D)
Blue done
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question_answer43)
Cars of which colour are 13% less popular than white cars?
A)
Blue done
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B)
Green done
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C)
Silver done
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D)
Yellow done
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question_answer44)
Cars of which colour when increased by two per cent and then combined with that of red cars will make 30 per cent of the total?
A)
Golden done
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B)
Blue done
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C)
Black done
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D)
None of these done
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question_answer45)
If in a certain period the total production of all cars was 95400 then how many more blue cars were sold than green?
A)
2580 done
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B)
3618 done
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C)
2850 done
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D)
3816 done
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question_answer46)
Which of the following state(s) contribute(s) less than 10 per cent in the total rose production?
A)
Only Rajasthan done
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B)
Rajasthan, Kama taka done
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C)
Rajasthan, Kama taka, Haryana done
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D)
Rajasthan, Kama taka, Haryana and Gujarat done
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question_answer47)
By what percentage rose production of other states is more than that of the Maharashtra?
A)
25 done
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B)
30 done
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C)
20 done
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D)
15 done
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question_answer48)
What is the approximate average production of roses (in thousands) across all the states?
A)
21 done
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B)
20 done
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C)
19 done
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D)
18 done
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question_answer49)
Approximately what percentage of the total rose production is shared by the other states
A)
10 done
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B)
20 done
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C)
30 done
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D)
40 done
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question_answer50)
If total percentage contribution of the states having production of roses below twenty thousand is considered, which of the following statements is true?
A)
It is little above 40% done
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B)
If is exactly 35% done
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C)
It is below 35% done
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D)
None of these done
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question_answer51)
DIRECTIONS: Following questions consist of two statements, one labelled as the ?Assertion (A)? and the other as ?Reason (R)?. You are to examine these two statements carefully and select the answer to these items using the code given below. Assertion (A): Median of first ten prime number is 12 Reason (R): If n is even, then Median = size of \[\frac{\text{1}}{\text{2}}\left[ \left( \frac{\text{n}}{\text{2}} \right)\text{th item+}\left( \frac{\text{n}}{\text{2}}\text{+1} \right)\text{th item} \right]\]
A)
Both A and R are individually true and R is the correct explanation of A. done
clear
B)
Both A and R are individually true but R is not the correct explanation of A. done
clear
C)
A is true but R is false done
clear
D)
A is false but R is true. done
clear
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question_answer52)
DIRECTIONS: Following questions consist of two statements, one labelled as the ?Assertion (A)? and the other as ?Reason (R)?. You are to examine these two statements carefully and select the answer to these items using the code given below. Assertion (A): The mean of 25 observations is 36. If the mean of the first 13 observations is 32 and that of the last 13 observations is 39, then the 13th observation is 23. Reason (R): The mean of 31 results is 60. If the mean of first 16 results is 58 and that of last 16 results is 62, then the 16th result is 58.
A)
Both A and R are individually true and R is the correct explanation of A. done
clear
B)
Both A and R are individually true but R is not the correct explanation of A. done
clear
C)
A is true but R is false done
clear
D)
A is false but R is true. done
clear
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question_answer53)
How many children are in her class?
A)
30 done
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B)
42 done
clear
C)
28 done
clear
D)
37 done
clear
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question_answer54)
What is the mode of the distribution?
A)
Green done
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B)
Blue done
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C)
Red done
clear
D)
Yellow done
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question_answer55)
Above given information is also to be represented in a pie- chart. Calculate the angle of the sector representing yellow.
A)
\[{{90}^{o}}\] done
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B)
\[{{60}^{o}}\] done
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C)
\[{{52}^{o}}\] done
clear
D)
\[{{72}^{o}}\] done
clear
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question_answer56)
DIRECTIONS: Read the following passages and answer the questions that follow. PASSAGE - 2 When the data is arranged in ascending or descending order, the middle observations is called median. If the number of observations is odd, then there will be only one middle term. If the number of observation is even, then there will be two middle terms. Which one is the median of the following data: 25,28,22,24,27,23,22
A)
24 done
clear
B)
28 done
clear
C)
32 done
clear
D)
12 done
clear
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question_answer57)
DIRECTIONS: Read the following passages and answer the questions that follow. PASSAGE - 2 When the data is arranged in ascending or descending order, the middle observations is called median. If the number of observations is odd, then there will be only one middle term. If the number of observation is even, then there will be two middle terms. When number of observations is even then median is
A)
Mean of two middle terms done
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B)
Sum of two middle terms done
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C)
Difference of two middle terms done
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D)
Only middle term done
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question_answer58)
DIRECTIONS: Read the following passages and answer the questions that follow. PASSAGE - 2 When the data is arranged in ascending or descending order, the middle observations is called median. If the number of observations is odd, then there will be only one middle term. If the number of observation is even, then there will be two middle terms. Which one of the following is the correct explanation of Median?
A)
Median is obtained by taking average of the given set of observations, done
clear
B)
Median is the middle most observation. done
clear
C)
When the given observations are arranged in ascending or descending order, then median is the middle observation. done
clear
D)
None of these done
clear
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