Question
A bag contains Re 1 and 50 paise coins in the ratio 2 :
3. While the ratio of 50 paise and 25 paise is 4:5. If the total value of these coins is Rs 177.50, then tell the number of 50 paise coins.Solution
Ratio of 1 rupee and 50 paise coin = 2:3 Ratio of 50 paise to 25 paise coin = 4 : 5 The Ratio of 1 Rs, 50 Paise, and 25 Paise respectively = 8 : 12 : 15 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â = 8x:12x:15x 
Now the no of Coins of 50 Paise is 12x10 = 120 Coins
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