
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
B) 12
C) 20
D) 10
View Answer play_arrow

question_answer2) If '+' means \['\div ','\text{ }\div '\]means\['',''\]means \['\times '\] and \['\times '\] means '+', then \[110+11\text{ }10\div 22\times 18=?\]
A) 46
B) 96
C) 106
D) 116
View Answer play_arrow

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
B) 1
C) 21
D) 41
View Answer play_arrow

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
B) 46
C) 66
D) 36
View Answer play_arrow

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
B) 29
C) 23
D) 11
View Answer play_arrow

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
B) 13
C) 11
D) 7
View Answer play_arrow

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
B) 12 E 4 A 2 D 1 M 4 M 2
C) 2 L 2 M 4 A 1 M 4 S 8
D) 10 E 2 A 2 M 4 A 1 S 2
View Answer play_arrow

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 =\[71\]
B) 6 M 18 Q 26 L 13 P 7 = \[\text{ }10\]
C) 11 M 3 4 L 1 7 Q 8 L 3 =\[\text{ }24\]
D) 32 P 8 L 16 Q 4 M 1 = \[\text{ }6\]
View Answer play_arrow

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) \[5\Rightarrow 7\Leftarrow 2\Downarrow 3\Uparrow 5\text{ }\otimes 10\]
B) \[2\Downarrow 5\Leftarrow 6\Rightarrow 2\otimes 6\]
C) \[2\Downarrow 6\Uparrow 4\Leftarrow 3\Rightarrow 7\otimes 0\]
D) \[5\Rightarrow 7\Leftarrow 3\Uparrow 2\otimes 4\]
View Answer play_arrow

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) \[3\times 4>29+3<3\]
B) \[5\times 3<7\div 8+4\times 1\]
C) \[5>2+2=10<4\times 8\]
D) \[3\times 2<4\div 16>2+4\]
View Answer play_arrow

question_answer11) If \['\times '\] means'+','+' means \['\div ',''\]means \['\times '\] and\['\div '\]means \['',\]then \[8\times 78+40\div 2=?\]
A) 1
B) 72
C) 83
D) 44
View Answer play_arrow

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
B) 30 s 6 d 2 d 4 e 3
C) 30 s 6 s 2 I 4 m 3
D) 30 a 6 d 2 g 4 m 3
View Answer play_arrow

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) \[36\div 2+5=1~\]
B) \[5+6\div 23=1~\]
C) \[3+6\div 25=1\]
D) \[56\div 2+3=1\]
View Answer play_arrow

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) \[4\div 2010\times 5=36\]
B) \[10+20\times 4\div 5=6\]
C) \[4+5\div 20\times 10=6~\]
D) \[10\times 20+56=8~\]
View Answer play_arrow

question_answer15) If the signs \['\times '\] and \[''\]and numbers 6 and 3 are interchanged, then which one of the following equations is correct?
A) \[63\times 8=21~~~\]
B) \[~36\times 7=9~~~~\]
C) \[63\times 4=18\]
D) \[36\times 8=10~~~\]
View Answer play_arrow

question_answer16) \[16+4\div 221\times 7=21\] The above equation is incorrect. Which one out of the following interchanges would correct it?
A) \[\div \] and \[\times \]
B) + and \[\times \]
C) \[\]and\[\div \]
D) \[\]and+
View Answer play_arrow

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) \[33\times 9\div 80=14\]
B) \[94\times 7\div 97=324~\]
C) \[40\times 10\div 9=49~\]
D) \[30\div 4\times 19=49~\]
View Answer play_arrow

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) \[3+8\times 12<3+17\times 4\]
B) \[3+8\times 12>3+17\times 4~\]
C) \[3\times 8+17>3\times 12+6~\]
D) \[3\times 8+17<3\times 12+4~~\]
View Answer play_arrow

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) \[7\times 4+2<15\]
B) \[3\times 2+10=22\]
C) \[7\times 4+2=15\]
D) \[6\times 2+10<22~\]
View Answer play_arrow

question_answer20) If the digits 4 and 5, and the digits 7 and 2 are interchanged, then compute the value of the expression \[2\times 15\div 715+4554\div 9\]
A) 52
B) 102
C) 84
D) 108
View Answer play_arrow

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) \[2A\delta 3C\]
B) \[6C\eta B~\]
C) \[B\delta 6A~\]
D) \[2A\eta 3C\]
View Answer play_arrow

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) \[3Q\alpha 2P\]
B) \[Q\,\theta \,P\]
C) \[Q\beta P\]
D) \[Q\,\delta \,2\,P\]
View Answer play_arrow

question_answer23) If 'a > b', 'b > c' and 'c > d', then which of the following conclusions is definitely wrong?
A) a < d
B) c < a
C) d < a
D) d < b
View Answer play_arrow

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
B) Only I
C) Only II
D) Both I and II
View Answer play_arrow

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) \[2\downarrow 5\leftarrow 6\to 2\nearrow 6\]
B) \[3\text{ }\to \text{ }7\text{ }\leftarrow \text{ }3\text{ }\uparrow \text{ }3\text{ }\nearrow 9\]
C) \[3\downarrow 6\nearrow 2\to 3\leftarrow 6\downarrow 5\]
D) \[7\nearrow 5\leftarrow 4\to 3\downarrow 4\uparrow 2\]
View Answer play_arrow