UPTET Feb 2014, q139

0. A person have some one rupee, 50 paise and 25 paise coins totalling ₹210 in the ratio 5 : 6 : 8, then number of one rupee coin is

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Option : D
Explanation : The ratio of the number of ₹1, 50 paise and 25 paise coins is 5 : 6 : 8.
Therefore, the ratio of their contribution in ₹210 is
= 5 : 6/2 : 8/2.
i. e. 5 : 3 : 4.
Contribution of ₹1 coins in ₹210
= 5/(5 + 3 + 2) x 210.
= 105
∴ Number of ₹1 coins = 105.

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