Mathematical reasoning questions with answers for Competitive Exams

Mathematical Reasoning Questions with Answers:

9. Which interchange of signs will correct the following equation?

35 + 7  ×  5 ÷ 5 – 6 = 24

(A) × & –

(B) + & ×

(C) ÷ & +

(D) – & +

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10. Which signs & numbers should be interchanged so the given equation will be correct?

(12÷6) + 3 × 7 = 42

(A) + & ×

(B) 6 & 7

(C) ÷ & +

(D) 12 & 3

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11. Which of the following equation will be correct if ÷ & +, 12 & 18 are interchanged with each other?

(A) (90×18) + 18 = 60

(B) (18+6) ÷ 12 = 2

(C) (72÷18) × 18 = 72

(D) (12+6) × 18 = 36

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12. Which set of signs should be put at the place of *in the following?

25*2*6=4*11*0

(A) ×, –, ×,+

(B) ÷, –, ×,+

(C) ×,=,+, –

(D) ×, +,+, ×

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13. Select the appropriate sequence of mathematical signs, so the given equation will be balanced after interchanging all *s with signs in equation.

9*4*22*14

(A) × = –

(B) × – =

(C) = – ×

(D) – × =

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14. Some equations are solved following specific system. Answer for the unsolved equation on the basis of the system.

If 837 = 452, & 106 = 769, then, 708 ÷ 77?

(A) 9

(B) 10

(C) 11

(D) 12

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15. Which of the following is correct?

6*3*4*45

(A) ÷, +, >

(B) ÷, >, +

(C) >, ÷, +

(D) +, >, ÷

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16. ‘+’ means divide, ‘÷’ means Multiply, ‘×’ means Subtract & ‘–’ means Add, then which of the following equations is correct?

(A) 18 ÷6–7+5 ×2 =20

(B) 18+6 ÷7×5–2 = 18

(C) 18×6+7÷5–2=16 

(D) 18 ÷6×7+5 –2= 22

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