bag contains 100 coins. The number of Rs 5 coins is half the number of Rs 2 coins. The bag does not contains any other domination coins. Find the amount in the bag. pls tell
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Total value of coins = Rs. 90
Proportion of number of 50 paise, 25 paise and 10 paise coins = 2 : 3 : 5
Proportion of their values =2×50:3×25:5×10
=100:75:50
Sum of the proportion =100+75+50=225
∴ Values of 25 paise coins =Rs.
225
90
×75=Rs.30
Hence, number of 25 coins =30×4=120
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