MATHEMATICAL OPERATIONS AMAN RAJ SIR
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1. If + means X, - means +, X means % and % means – then what will be the
value of 6-9+8x3%20 ?
A. 10
B. 17
C. 19
D. 22
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2. If + means divided by , % means multiplied by, X means
subtracted from, - means added to, then which of the following
equations is correct ?
A. 18%6-7+5x2=20
B. 18+6%7x5-2=18
C. 18%6+7%5-2=16
D. 18%6x7+5-2=22
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3. If A means +, B means -, c means % and D means x, then what will be
the value of 18 A 12 C 6 D 2 B 5 ?
A. 17
B. 18
C. 20
D. 22
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4. If A=+, B= -, C= X, D= % then 5C5D5A5B5 = ?
A. 0
B. 5
C. 10
D. 15
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5. If R means + , S means -, T means % and U means X , then (8U4)S7R6= ?
A. 31
B. 48
C. 64
D. 88
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6. Which two symbols should be exchanged to make the given equation correct ?
24%6x3+2-2=8
A. +,x
B. -,+
C. %,-
D. %,+
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7. Which two symbols should be exchanged to make the given equation correct ?
51%3+17x2-12=10
A. %, X
B. -,+
C. X,-
D. +,-
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8. Which two symbols should be exchanged to make the given equation correct ?
-12%2X9+3= -6
A. -,+
B. %,+
C. X,+
D. X,-
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9. Which two symbols should be exchanged to make the given equation correct ?
3%5X8+2-10=13
A. %,+
B. %,X
C. +,-
D. +,X
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10. If * means +, $ means x, # means % and @ means - , then
552#12$2*15@27= ?
A. 60
B. 72
C. 80
D. 90
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11. If – means %, + means X , % means – and X means + so, which equation is
correct.
A. 24%8-4+2x3=16
B. 24-8+4x2%3=12
C. 24x8-4%2+3=17
D. 24+8-4x2%3=47
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12. If A means +, B means -, C means X, so (10C4) A (4C4) B 6 equals…
A. 46
B. 50
C. 56
D. 60
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13. Choose the correct sequence of mathematical symbols to balance the following
equation and replace the * signs.
7*5*5*4*10
A. + % - =
B. X-=X
C. X + = X
D. + X % =
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14. Select the correct combination of mathematical signs that can
sequentially replace the * sign and balance the given equation
42*7*64*11*6*4
A. ÷, +, -, ×, =
B. ×, +, -, ÷, =
C. ÷, -, +, ×, =
D. ×, -, +, ÷, =
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15. Select the correct combination of mathematical signs that can sequentially
replace the * sign and balance the equation.
60 * 2 * 3 * 6 * 5 * 43
A. ÷, ×, +, -, =
B. +, ÷, ×, =, -
C. ÷, +, ×, =, -
D. ÷, +, ×, -, =
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