IBPS SO Prelims Exam Model Paper 3

Given:
Ratio of 1, 2 and 5 rupees coins = 3: 7 : 5
Calculations:
Let the ratio be x
According to questions,
⇒1(3x) + 2(7x) + 5(5x) = 252
⇒ 3x + 14x + 25x = 252
⇒ 42x = 252
⇒ x = 6.
Number of 2 rupees coins = 6 × 7 = 42
∴ Number of Rs. 2 coins in the bag is 42