A bag contains Rs.252 in the form of coins of 1, 2 and 5 rupees in the ratio of 3 : 7 : 5. What is the number of Rs.2 coins in the bag

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A bag contains Rs.252 in the form of coins of 1, 2 and 5 rupees in the ratio of 3 : 7 : 5. What is the number of Rs.2 coins in the bag

A56 coins

B35 coins

C42 coins

D51 coins

Answer:

C. 42 coins

Read Explanation:

Ratio of 1, 2 and 5 rupees coins = 3: 7 : 5 ⇒1(3x) + 2(7x) + 5(5x) = 252 ⇒ 3x + 14x + 25x = 252 ⇒ 42x = 252 ⇒ x = 6. Number of 2 rupees coins = 6 × 7 = 42

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