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(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
(c) 18 ÷ 6 – 7 + 5 × 2 = 20
(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
(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
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
(c) × to –, 2 and 3
(d) ÷ and ×, 2 and 6