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question_answer1)
If 'A' stands for '+', 'B' stands for \['\div ',\]'C stands for \['\times '\] and 'D' stands for \['-'\], then which of the following will be the value of the expression 4 A 6 B 3 C 5 D 4?
A)
8 done
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B)
12 done
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C)
20 done
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D)
10 done
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question_answer2)
If '+' means \['\div ','\text{ }\div '\]means\['-','-'\]means \['\times '\] and \['\times '\] means '+', then \[110+11\text{ }-10\div 22\times 18=?\]
A)
46 done
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B)
96 done
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C)
106 done
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D)
116 done
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question_answer3)
P means 'add', Q means 'subtract', M means "multiply" and N means "divide, then 1 P 3 2 Q 6 N 1 M 0 P 8=?
A)
0 done
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B)
1 done
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C)
21 done
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D)
41 done
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question_answer4)
It is given that \['\phi '\]denotes "divided by", '@' denotes 'plus', '#' denotes 'minus' and '*' denotes 'multiplied by', then what is the value of the expression given below? 14 # 99 \[\phi \] 33 @ 11 * 5
A)
56 done
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B)
46 done
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C)
66 done
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D)
36 done
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question_answer5)
If 'a' stands for \['\times ',\]'b' stands for \['\div ',\] 'c' stands for \['-'\] and 'd' stands for'+', then what will be the value of the expression (10 a 3) b (14 c 4) d (19 d 9) ?
A)
31 done
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B)
29 done
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C)
23 done
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D)
11 done
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question_answer6)
If '+' is \['\times ','-'\]is \['+',\text{ }'\times '\]is \['\div '\]and \['\div '\] is \['-',\]then simplify the following expression: \[93+4\div ~16\times 2\]
A)
12 done
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B)
13 done
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C)
11 done
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D)
7 done
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question_answer7)
If 'A' stands for 'addition', 'S' stands for 'subtraction', 'D' stands for 'division', 'M' stands for 'multiplication', 'G' stands for 'greater than', 'E' stands for 'equal to' and 'L' stands for 'less than', which one of the following is correct ?
A)
8 G 2 M 3 M 4 D 2 M 4 done
clear
B)
12 E 4 A 2 D 1 M 4 M 2 done
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C)
2 L 2 M 4 A 1 M 4 S 8 done
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D)
10 E 2 A 2 M 4 A 1 S 2 done
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question_answer8)
If 'L' means \['\div ',\]'P' means '+', 'Q' means \['-'\]and 'M' means \['\times ',\]then tick the correct equation.
A)
9 P 9 L 9 Q 9 M 9 =\[-71\] done
clear
B)
6 M 18 Q 26 L 13 P 7 = \[-\text{ }10\] done
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C)
11 M 3 4 L 1 7 Q 8 L 3 =\[-\text{ }24\] done
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D)
32 P 8 L 16 Q 4 M 1 = \[-\text{ }6\] done
clear
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question_answer9)
If \['\Rightarrow '~\]stands for'+' \['\Uparrow '~\] stands for \[\,'\div ',~\]\['\Downarrow '~\] stands for \['\times ',\text{ }'\Leftarrow '\]stands for \['-'\]and \['\otimes '\]stands for '=', then which of the following statements is correct?
A)
\[5\Rightarrow 7\Leftarrow 2\Downarrow 3\Uparrow 5\text{ }\otimes 10\] done
clear
B)
\[2\Downarrow 5\Leftarrow 6\Rightarrow 2\otimes 6\] done
clear
C)
\[2\Downarrow 6\Uparrow 4\Leftarrow 3\Rightarrow 7\otimes 0\] done
clear
D)
\[5\Rightarrow 7\Leftarrow 3\Uparrow 2\otimes 4\] done
clear
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question_answer10)
If \['\times '\] stands for "addition", '<' for 'subtraction','+' for 'division', '>' for 'multiplication, \['-'\] for 'equal to',\['\div '\] for 'greater than' and '=' for 'less than', then which of the following is true?
A)
\[3\times 4>2-9+3<3\] done
clear
B)
\[5\times 3<7\div 8+4\times 1\] done
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C)
\[5>2+2=10<4\times 8\] done
clear
D)
\[3\times 2<4\div 16>2+4\] done
clear
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question_answer11)
If \['\times '\] means'+','+' means \['\div ','-'\]means \['\times '\] and\['\div '\]means \['-',\]then \[8\times 7-8+40\div 2=?\]
A)
1 done
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B)
72 done
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C)
83 done
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D)
44 done
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question_answer12)
If 'a' means '+', 'd' means \['\div ',\]'m' means\['\times '\], 's' means \['-',\]'e' means '=', 'g' means '>', \['\ell ',\] means '< then which one out of the following four is correct ?
A)
30 d 6 a 2 g 4 m 3 done
clear
B)
30 s 6 d 2 d 4 e 3 done
clear
C)
30 s 6 s 2 I 4 m 3 done
clear
D)
30 a 6 d 2 g 4 m 3 done
clear
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question_answer13)
If the signs '+' and \['-'\]are interchanged and the numbers 3 and 5 are also interchanged, then which one out of the following four alternatives is correct?
A)
\[3-6\div 2+5=1~\] done
clear
B)
\[5+6\div 2-3=1~\] done
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C)
\[3+6\div 2-5=1\] done
clear
D)
\[5-6\div 2+3=1\] done
clear
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question_answer14)
If the signs \['\times '\]and \['\div '\]as well as the numbers 10 and 20 are interchanged, then select the correct one alternative out of the following four.
A)
\[4\div 20-10\times 5=36\] done
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B)
\[10+20\times 4\div 5=6\] done
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C)
\[4+5\div 20\times 10=6~\] done
clear
D)
\[10\times 20+5-6=8~\] done
clear
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question_answer15)
If the signs \['\times '\] and \['-'\]and numbers 6 and 3 are interchanged, then which one of the following equations is correct?
A)
\[6-3\times 8=21~~~\] done
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B)
\[~3-6\times 7=9~~~~\] done
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C)
\[6-3\times 4=18\] done
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D)
\[3-6\times 8=10~~~\] done
clear
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question_answer16)
\[16+4\div 2-21\times 7=21\] The above equation is incorrect. Which one out of the following interchanges would correct it?
A)
\[\div \] and \[\times \] done
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B)
+ and \[\times \] done
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C)
\[-\]and\[\div \] done
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D)
\[-\]and+ done
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question_answer17)
The interchanges in the digits 9 and 4, and in the signs \['\div '\]and \['\times '\]would make true which one of the following expressions?
A)
\[33\times 9\div 80=14\] done
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B)
\[94\times 7\div 97=324~\] done
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C)
\[40\times 10\div 9=49~\] done
clear
D)
\[30\div 4\times 19=49~\] done
clear
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question_answer18)
If the interchanges in the digits 2 and 7 and in the signs \['\times '\] and '+' occur, then which of the following inequalities will be true?
A)
\[3+8\times 12<3+17\times 4\] done
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B)
\[3+8\times 12>3+17\times 4~\] done
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C)
\[3\times 8+17>3\times 12+6~\] done
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D)
\[3\times 8+17<3\times 12+4~~\] done
clear
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question_answer19)
If the sign '=' is replaced with '<' and the sign '<' is replaced with '=' and the signs \['\times '\] and'+' are interchanged, then which of the following statements would become true?
A)
\[7\times 4+2<15\] done
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B)
\[3\times 2+10=22\] done
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C)
\[7\times 4+2=15\] done
clear
D)
\[6\times 2+10<22~\] done
clear
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question_answer20)
If the digits 4 and 5, and the digits 7 and 2 are interchanged, then compute the value of the expression \[2\times 15\div 7-15+45-54\div 9\]
A)
52 done
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B)
102 done
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C)
84 done
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D)
108 done
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question_answer21)
If \['\beta '\] means 'equal to, \['\delta '\]means "not equal to' and \['\eta '\] means 'not greater than', then which of the following four could be a correct inference in \[2A\delta B\text{ }and\text{ }B\beta 3C?\]
A)
\[2A\delta 3C\] done
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B)
\[6C\eta B~\] done
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C)
\[B\delta 6A~\] done
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D)
\[2A\eta 3C\] done
clear
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question_answer22)
Consider \[\alpha \] as 'greater than', \[\beta \] as 'less than', \[\gamma \] as "not greater than', \[\delta \] as 'not less than' and \[\theta \] as 'equal to'. Also, P, Q and R as positive real numbers. Lf 3R \[\gamma \]P and Q\[\theta \]2R,then
A)
\[3Q\alpha 2P\] done
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B)
\[Q\,\theta \,P\] done
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C)
\[Q\beta P\] done
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D)
\[Q\,\delta \,2\,P\] done
clear
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question_answer23)
If 'a > b', 'b > c' and 'c > d', then which of the following conclusions is definitely wrong?
A)
a < d done
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B)
c < a done
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C)
d < a done
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D)
d < b done
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question_answer24)
Consider the meanings of the four symbols %, #,

and * as given below: 'A % B' means A is more than B', A # B' means A is either more than or equal to B^ 'A

B' means A is less than B', 'A * B' means A is equal to B'. Assuming the above statements to be true, identify which of the two conclusions I and regarding the statements given below is/are true? Statements: P

Q, Q * R, R # S. Conclusions: I. S % P II. Q # S
A)
None done
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B)
Only I done
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C)
Only II done
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D)
Both I and II done
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question_answer25)
If \['\to '\] stands for 'addition'; \['\leftarrow '\] stands for 'subtraction'; \['\uparrow '\]stands for 'division'; \['\downarrow '\] stands for 'multiplication 'and ' \['\nearrow '\]'stands for 'equal to', then which of the following options is incorrect? (SOF NSO 2017)
A)
\[2\downarrow 5\leftarrow 6\to 2\nearrow 6\] done
clear
B)
\[3\text{ }\to \text{ }7\text{ }\leftarrow \text{ }3\text{ }\uparrow \text{ }3\text{ }\nearrow 9\] done
clear
C)
\[3\downarrow 6\nearrow 2\to 3\leftarrow 6\downarrow 5\] done
clear
D)
\[7\nearrow 5\leftarrow 4\to 3\downarrow 4\uparrow 2\] done
clear
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