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17, A money box contains one-rupee and two-rupee coins in the ratio 5 : 6. If the totalvalue of the coins in the money box is 85, find the number of two-rupee coins.158

Answer»

Let the no. of 1 ruppe coin be 5x and the no. of 2 ruppe coin be 6 xtotal money =5x×1+6x×25x+12x=8517x=85x=5the no. of one rupee coin is 25and the no. of 2 ruppe coin is 30

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