A box contains 420 coins of 1 rupee 50 paise and...

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A box contains 420 coins of 1 rupee, 50 paise and 20 paise coins. The ratio of their values is 13 : 11 : 7. The number of 50 paise coins is = ?

A. 42

B. 78

C. 66

D. 132

Answer: Option D

Solution(By Examveda Team)

	Rs. 1	:	50 P	:	20 P
Values	13x	:	11x	:	7x
Number of coins	13x_×1	:	11x_×2	:	7x_×5
	13x	:	22x	:	35x

Given total coins
⇒ 13x + 22x + 35x = 420
⇒ 70x = 420
⇒ x = 6
∴ Numbers of 50 paise coins are
= 22x = 22 × 6 = 132

This Question Belongs to Arithmetic Ability >> Ratio

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