'a bag contains RS155 in the form of 1RS,50 paise,10 paise coins in the ratio 3:5:7. find the no.of of each type of coins'
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Since they are in ratio we have,
3X + 5x/2 +7x/10 =155 ( since 50 paise is half of a rupee and 10 paise is 1/10 of a rupee.
After taking L C M and cancellations we get,
X= 25
So we get ,
75one rupee coins and 125 fifty paise coins and 175 ten paise coins.
Checking:
75+62.5+17.5=155
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