A box contains some 20 paise and 50 paise coins.The amount of money in the box is rupees 6.If the number of 20 paise coins is doubled and 50 paise coins be tripled,the amount of money in the box will be rupees 15.Find the number of type of each coins.
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1 ans 70
2ans=190
3ans=5and10
2ans=190
3ans=5and10
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