1. A box consist of 5 rupees, 2 rupees and 1 rupee coins and their value are in the ratio of 15 : 4 : 2 respectively. If there are total 112 coins, then how many 2rupees coins are there in the box?





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  • By: anil on 05 May 2019 02.04 am
    Let total value of Rs. 5 coins = Rs. $$15x$$, for Rs. 2 coins = Rs. $$4x$$ and Re. 1 coin = Rs. $$2x$$ => Number of Rs. 5 coins = $$frac{15x}{5}=3x$$ Similarly, number of Rs. 2 coins = $$frac{4x}{2}=2x$$ and Re. 1 coin = $$frac{2x}{1}=2x$$ Total number of coins = $$3x+2x+2x=112$$ => $$x=frac{112}{7}=16$$ $$ herefore$$ Number of 2 rupees coins = $$2 imes16=32$$ => Ans - (A)
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