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

Sample Material of Our Online Coaching Programme

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

(d) 18 + 6 ÷ 7 × 5 – 2 = 18

Directions (Q. Nos. 2 to 3) If the given interchanges are made in signs and numbers, which one of the four equations would be correct?

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

(a) 82 – 35 + 55 = 2

(b) 82 – 35 + 55 = 102

(d) 52 – 35 + 55 = 72

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

(a) 94 × 7 ÷ 47 = 324

(b) 94 × 7 ÷ 97 = 329

(d) 47 × 9 ÷ 94 = 18

Directions (Q. Nos. 4 to 5) In the following questions which one of the four interchanges in signs and numbers would make the given equation correct?

4. (6 ÷ 2) × 3 = 0

(a) × to –, 2 and 6

(b) ÷ and ×, 2 and 3

(d) ÷ and ×, 2 and 6