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question_answer1)
\[{{a}^{2}}{{b}^{3}}\times 2a{{b}^{3}}\times 3{{a}^{2}}{{b}^{2}}\]is equal to
A)
\[6{{a}^{5}}{{b}^{7}}\] done
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B)
\[7{{a}^{2}}{{b}^{2}}\] done
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C)
\[8{{a}^{2}}{{b}^{2}}\] done
clear
D)
\[6a\,\,{{b}^{2}}\] done
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question_answer2)
9 taken away from the sum of \[x\]and \[y\]is
A)
\[x+y-9\] done
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B)
\[9-(x+y)\] done
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C)
\[xy-4\] done
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D)
\[xy+4\] done
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question_answer3)
The product of x and y is decreased by 4, is written as
A)
\[4-xy\] done
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B)
\[x(y-4)\] done
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C)
\[xy-4\] done
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D)
\[~xy+4\] done
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question_answer4)
The population of a dragonfly is x now. It becomes y times itself after one week. What will be its population after 2 weeks.
A)
\[{{y}^{2}}x\] done
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B)
\[{{x}^{2}}{{y}^{2}}\] done
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C)
\[x{{y}^{3}}\] done
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D)
\[{{x}^{3}}y\] done
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question_answer5)
The method of finding solution by trying out various values for the variable is called
A)
Error method done
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B)
Trial and error method done
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C)
Testing method done
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D)
Checking method done
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question_answer6)
If \[\frac{x}{2}-\frac{x}{3}=5,\]then\[x=\]?
A)
8 done
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B)
16 done
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C)
24 done
clear
D)
30 done
clear
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question_answer7)
If the sum of a number and its two fifth is 70. The number is
A)
20 done
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B)
50 done
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C)
60 done
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D)
80 done
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question_answer8)
\[0.3x+0.4=0.28x+1.16\] find \[x=?\]
A)
38 done
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B)
40 done
clear
C)
60 done
clear
D)
70 done
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question_answer9)
For which equation, is \[x=-3\] a solution?
A)
\[3x-5=10\] done
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B)
\[7=-10+x\] done
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C)
\[\frac{x}{3}+3=2\] done
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D)
\[~3x=9\] done
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question_answer10)
Find the value of \[2x-y+z,\] when \[x=1,\] \[y=-2,\] \[z=-1\]
A)
3 done
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B)
5 done
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C)
6 done
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D)
7 done
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question_answer11)
In the given figure, magnitudes of angles \[a\]and \[b\]are respectively.
A)
\[100{}^\circ ,\,\,80{}^\circ \] done
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B)
\[60{}^\circ ,\,\,\text{7}0{}^\circ \] done
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C)
\[40{}^\circ ,\,\,140{}^\circ \] done
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D)
\[50{}^\circ ,\,\,130{}^\circ \] done
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question_answer12)
Simplify: \[15a-\left[ 8{{a}^{3}}+3{{a}^{2}}-\left\{ 8{{a}^{2}} \right. \right.\left. \left. \left( 4-2a-{{a}^{2}} \right)-5{{a}^{3}} \right\} \right]\]
A)
\[-12{{a}^{3}}+5{{a}^{2}}+19a-4\] done
clear
B)
\[3{{a}^{2}}{{b}^{2}}+5a\] done
clear
C)
\[5{{a}^{2}}+6{{a}^{2}}+2a+3\] done
clear
D)
\[3{{x}^{2}}z-3yz+3xy+7z\] done
clear
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question_answer13)
What should be added to \[xy+yz+zx\] to get\[-xy-yz-zx\]?
A)
\[-2xy-2yz-2zx\] done
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B)
\[-3xy-yz-zx\] done
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C)
\[-3xy-3yz-3zx\] done
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D)
\[-3xy-yz\] done
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question_answer14)
Solve\[\frac{12}{7}(x-5)=24+8x\]
A)
\[\frac{-57}{11}\] done
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B)
\[\frac{57}{11}\] done
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C)
\[\frac{67}{11}\] done
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D)
\[\frac{-67}{11}\] done
clear
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question_answer15)
The sum of two consecutive even numbers is 86. Find the greatest number
A)
42 done
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B)
44 done
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C)
40 done
clear
D)
45 done
clear
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question_answer16)
If \[(3x-4)(5x+7)=15{{x}^{2}}-ax-28a\] then\[a=\]?
A)
1 done
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B)
\[-1\] done
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C)
\[-3\] done
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D)
4 done
clear
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question_answer17)
If\[A=\frac{9{{x}^{4}}-3{{x}^{3}}-6{{x}^{2}}-9x}{3x},\] \[B=\frac{18{{x}^{4}}+12{{x}^{3}}+6{{x}^{2}}+9x}{3x}\]then \[B-A\] is
A)
\[3{{x}^{2}}-5{{x}^{2}}-4x+6\] done
clear
B)
\[3{{x}^{3}}+5{{x}^{2}}+4x+6\] done
clear
C)
\[3{{x}^{3}}-5{{x}^{2}}-4x-6\] done
clear
D)
\[3{{x}^{3}}+5{{x}^{2}}-4x-6\] done
clear
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question_answer18)
The value of\[\left( {{a}^{3}}-2{{a}^{2}}+4a-5 \right)-\left( {{a}^{2}}+2{{a}^{2}}-8a+5 \right)\]
A)
\[2{{a}^{3}}-4{{a}^{2}}+12a-10\] done
clear
B)
\[2{{a}^{3}}-4{{a}^{2}}-12a+10\] done
clear
C)
\[2{{a}^{3}}+4{{a}^{2}}+12a+10\] done
clear
D)
\[2{{a}^{3}}-4{{a}^{2}}+12a+10\] done
clear
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question_answer19)
Additive inverse\[{{x}^{2}}-x+2\]
A)
\[-{{x}^{2}}+x-2\] done
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B)
\[{{x}^{2}}+x+2\] done
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C)
\[-{{x}^{2}}-x+2\] done
clear
D)
\[-{{x}^{2}}+x+2\] done
clear
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question_answer20)
If \[x=2,\] \[y=3\] and \[z=-5\] then \[{{x}^{3}}+\]\[{{y}^{3}}+\]\[{{z}^{3}}=?\]
A)
90 done
clear
B)
\[-90\] done
clear
C)
0 done
clear
D)
\[-90xyz\] done
clear
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question_answer21)
If \[\left( x+\frac{1}{x} \right)=\frac{10}{3},\] then \[{{\left( x-\frac{1}{x} \right)}^{2}}\] is
A)
\[{{\left( \frac{7}{3} \right)}^{2}}\] done
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B)
\[{{\left( \frac{8}{3} \right)}^{2}}\] done
clear
C)
\[{{\left( \frac{10}{3} \right)}^{2}}\] done
clear
D)
\[{{\left( \frac{5}{3} \right)}^{2}}\] done
clear
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question_answer22)
If \[9{{x}^{2}}+48+p\] to be a perfect square , then the value of \[p\] is
A)
81 done
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B)
64 done
clear
C)
36 done
clear
D)
16 done
clear
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question_answer23)
Solve: \[\frac{3}{4}\left( 7x-1 \right)-\left( 2x-\frac{1-x}{2} \right)\] \[=x+\frac{3}{2}\] then \[x=?\]
A)
1 done
clear
B)
2 done
clear
C)
3 done
clear
D)
4 done
clear
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question_answer24)
Kajal's father is thrice as old as Kajal. After 12 year he will be just twice his daughter. Find their present ages.
A)
12 years, 36 years done
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B)
15 years, 45 years done
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C)
40 years, 20 years done
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D)
10 years, 12 years done
clear
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question_answer25)
If \[4{{x}^{2}}+{{y}^{2}}=40\] and \[xy=6,\]find the value of \[2x+y=?\]
A)
\[\pm 8\] done
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B)
\[\pm 6\] done
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C)
\[\pm 7\] done
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D)
\[\pm 5\] done
clear
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question_answer26)
If \[x-\frac{1}{x}=9,\] find the value of\[a{{x}^{2}}+\frac{1}{{{x}^{2}}}=\]?
A)
83 done
clear
B)
84 done
clear
C)
85 done
clear
D)
86 done
clear
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question_answer27)
A number is 56 greater then the average of its third, quarter and one twelfth. Find it.
A)
53 done
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B)
72 done
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C)
85 done
clear
D)
86 done
clear
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question_answer28)
After 12 years I shall be 3 times as old as I was 4 years ago. Find my present age.
A)
12 years done
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B)
13 years done
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C)
14 years done
clear
D)
18 years done
clear
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question_answer29)
Three prizes are to be distributed in a Mental Ability quiz contest. The value of the second prize is five-sixths the value of the first prize and the value of the third prize is four-fifths that of the second prize. If the total value of three prizes is Rs. 150, find the value of third prize.
A)
Rs. 40 done
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B)
Rs. 50 done
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C)
Rs. 60 done
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D)
Rs. 120 done
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question_answer30)
For her mobile phone service, Sachi pays Rs. 145 per month and 75 paise for each extra minute. She talks over the allowed number of minutes in the monthly plan. She received a bill of Rs.178 last month. How many extra minutes did she use her phone beyond the allowed time.
A)
46 min done
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B)
44 min done
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C)
55 min done
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D)
48 min done
clear
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question_answer31)
\[x+\frac{1}{x}=1\]then find \[{{x}^{30}}+{{x}^{27}}+{{x}^{36}}+{{x}^{33}}-1\]
A)
2 done
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B)
6 done
clear
C)
3 done
clear
D)
8 done
clear
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question_answer32)
\[y+\frac{1}{y}=0\]then find\[{{y}^{1001}}+{{y}^{999}}+1\]
A)
1 done
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B)
2 done
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C)
3 done
clear
D)
None of these done
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question_answer33)
\[{{\left( a+b \right)}^{2}}-{{\left( a-b \right)}^{2}}+\left( a-b \right)\left( a+b \right)-4ab=?\]
A)
\[{{a}^{2}}-{{b}^{2}}\] done
clear
B)
\[{{b}^{2}}+{{c}^{2}}\] done
clear
C)
\[{{c}^{2}}+{{d}^{2}}\]c done
clear
D)
None done
clear
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question_answer34)
\[\frac{x}{1-x}+\] \[\frac{y}{1-y}+\] \[\frac{z}{1-z}=1\]then, find \[\frac{1}{1-x}+\]\[\frac{1}{1-y}+\]\[\frac{1}{1-z}=?\]
A)
1 done
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B)
2 done
clear
C)
3 done
clear
D)
4 done
clear
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question_answer35)
If \[\frac{1}{a+1}+\] \[\frac{2}{b+2}+\] \[\frac{1001}{c+1001}=1\] then find \[\frac{a}{a+1}+\] \[\frac{b}{b+2}+\] \[\frac{c}{c+1001}=?\]
A)
\[-1\] done
clear
B)
2 done
clear
C)
4 done
clear
D)
\[-3\] done
clear
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question_answer36)
If \[x+\frac{1}{x}=1,\] then find\[{{x}^{6}}=?\]
A)
\[1\] done
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B)
2 done
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C)
3 done
clear
D)
4 done
clear
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question_answer37)
If \[a+\frac{4}{a}=4\] (Here\[a\ne 0\]) then find\[{{a}^{2}}+\frac{1}{{{a}^{3}}}=\]?
A)
\[2\frac{1}{8}\] done
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B)
\[3\frac{1}{8}\] done
clear
C)
\[4\frac{1}{8}\] done
clear
D)
\[5\frac{1}{8}\] done
clear
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question_answer38)
If \[x=y=z\] then find \[\frac{{{\left( x+y+z \right)}^{2}}}{{{x}^{2}}+{{y}^{2}}+{{z}^{2}}}\]
A)
9 done
clear
B)
3 done
clear
C)
4 done
clear
D)
1 done
clear
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question_answer39)
If \[x+\frac{1}{x}=5\] (where\[x\ne 0\]) then find \[\frac{2x}{3{{x}^{2}}-5x+3}=?\]
A)
\[\frac{1}{2}\] done
clear
B)
\[\frac{1}{3}\] done
clear
C)
\[\frac{1}{4}\] done
clear
D)
\[\frac{1}{5}\] done
clear
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question_answer40)
If \[{{x}^{2}}+{{y}^{2}}+2y+4x+5=0\] then find\[\frac{x-y}{x+y}=?\]
A)
3 done
clear
B)
\[-3\] done
clear
C)
\[\frac{1}{3}\] done
clear
D)
\[\frac{-1}{3}\] done
clear
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