Question 80

A bag has Rs.51.25 in the form of 2-rupee, 50-paise and 25-paise coins in the ratio of 3:5:7. What is the total number of 50-paise coins?

Solution

Let 2/- coins = 3x

50paise coins = 5x

25paise coins = 7x

toal amount = 51.25

(3x)(2)+(5x)(0.5)+(7x)(0.25) = 51.25

10.25x = 51.25

x = 5

No.of 50paise coins = 5x = 5(5) = 25

so the answer is option C.

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