Reasoning Quiz For RRB NTPC : 3rd February 2020 For Mathematical Operations

Q1. If a = ×, b = ÷, c = +, d = –, then find the value of 7 a 5 c 1 b 6 d 10 ?
(a) 151/6
(b) 121/7
(c) 125/6
(d) None of these

Q2. If × means –, + means ÷, – means × and ÷ means +, then 15 – 2 ÷ 900 + 90 × 100 = ?
(a) –30
(b) –60
(c) –90
(d) 100

Q3. If P denotes ÷, Q denotes ×, R denotes + and S denotes –, then 18 Q 12 P 4 R 5 S 6 = ?
(a) 36
(b) 64
(c) 53
(d) 55

Q4. If – means ÷, + means ×, ÷ means –, × means +, then which one of the following is true?
(a) 52 ÷ 4 + 5 × 8 – 2 = 36
(b) 43 × 7 ÷ 5 + 4 – 8 = 25
(c) 36 × 4 – 12 + 5 ÷ 3 = 420
(d) 36 – 12 × 6 ÷ 3 + 4 = 60

Q5. Which of the following two signs must be Interchanged to make the following equation correct?
10 + 10 ÷ 10 – 10 × 10 = 10
(a) ÷ and –
(b) + and ×
(c) ÷ and ×
(d) ÷ and +

Q6.In a certain code language, ‘+’ represents ‘x’, ‘-‘ represents ‘+’, ‘x’ represents ‘÷’ and ‘÷’ represents ‘-‘. What is the answer to the following question?
642 x 6 ÷ 25 + 4 = ?
(a) 11
(b) 64
(c) 18
(d) 7

Q7.In a certain code language, ‘+’ represents ‘x’, ‘-‘ represents ‘+’, ‘x’ represents ‘÷’ and ‘÷’ represents ‘-‘. What is the answer to the following question?
24 x 6 – 8 + 2 = ?
(a) 25
(b) 50
(c) 40
(d) 20

Q8. In a certain code language, ‘+’ represents ‘×’, ‘–’ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘–’. What is the answer to the following question?
54 × 9 – 3 ÷ 4 =?
(a) 10
(b) 5
(c) 2
(d) 8

Q9. In a certain code language, ‘+’ represents ‘x’, ‘-‘ represents ‘+’, ‘x’ represents ‘÷’ and ‘÷’ represents ‘-‘. What is the answer to the following question?
825 × 25 – 27 ÷ 10 = ?
(a) 100
(b) 50
(c) 25
(d) 20

Q10.In a certain code language, ‘+’ represents ‘x’, ‘-‘ represents ‘+’, ‘x’ represents ‘÷’ and ‘÷’ represents ‘-‘. What is the answer to the following question?
75 – 5 + 25 ÷ 125 = ?
(a) 5
(b) 10
(c) 3
(d) 75

Solutions

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