20june2019 paper1 Q24

0. In a bag, there are corns of 5ps, 10ps and 25ps in the ratio of 3:2:1. If there are Rs. 60 in all, how many 5ps coins are there?

Answer
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Option : C
Explanation : Let number of 5 Ps, lOPs and 25 Ps coins are 3x, 2x and x respectively,
5 x 3x + 10 x 2x + 25x = 60 x 100
15x + 20x + 25x = 6000
6Ox = 6000
x = 6000/60 = 100
Number of 5 Ps coins = 3x = 3 x 100 = 300

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