A bag contain 25 paise and 50 paise coins. if thetotalnumber of coins is 70 and the value of such
coins is Rs. 30, find the number of coins of each type.
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Answer:
let the no. of 50 paise coins be x
no.bof 25 paise coins=70-x
according to the question,
0.5x+0.25(70-x)=30
0.5x+17.5-0.25x=30
0.25x=30-17.5
0.25x=12.5
x=50
no. of 50 paise coins=50
no. of 25 paise coins=70-50=20
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