Question

a bag contains one rupee fifty paise and twenty five paise coins whose values are in the proportion 2:5:7 respectievely .if the total number of coins are 400then find the total value of coins

Answer 1

Total no of coins=400
The bag contains one rupee, fifty paise and twenty five paise coins, whose values are in the proportion 2:5:7 respectively and their numbers are in ratio of 2*1:5*2:7*4 or 2:10:28
so their numbers are 20,100,280 respectively.
Total value = 20+100/2 +280/4=20+50+70= Rs 140.

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