(Sample Material) CSAT Online Coaching : General Mental Ability "Arithmetical Reasoning"

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Subject: General Mental Ability

Topic: Arithmetical Reasoning

1. If ‘+’ stands for ‘division’, ‘–’stands for ‘multiplication’ ‘×’ stands for ‘subtraction’ and ‘–’ stands for ‘addition’.
Which one of the following is correct?

(a) 18 ÷ 6 × 7 + 5 – 2 = 22

(b) 18 ÷ 6 + 7 – 5 – 2 = 16

(c) 18 ÷ 6 – 7 + 5 × 2 = 20

(d) 18 + 6 ÷ 7 × 5 – 2 = 18

2. Given interchanges : signs ‘+’ and ‘–’; numbers ‘5’ and ‘8’.

(a) 82 – 35 + 55 = 2

(b) 82 – 35 + 55 = 102

(c) 85 – 38 + 85 = 132

(d) 52 – 35 + 55 = 72

3. Given interchanges : signs ‘×’ and ‘÷’; numbers ‘4’ and’9'.

(a) 94 × 7 ÷ 47 = 324

(b) 94 × 7 ÷ 97 = 329

(c) 49 × 7 ÷ 49 = 7

(d) 47 × 9 ÷ 94 = 18

4. (6 ÷ 2) × 3 = 0

(a) × to –, 2 and 6

(b) ÷ and ×, 2 and 3

(c) × to –, 2 and 3

(d) ÷ and ×, 2 and 6

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