ashok had a total of Rs.60 in the form of Rs.5 coins, Rs.2 coins and Rs.1 coins. The number of Rs.2 coins is twice that of Rs.5 coins and the number of Rs.1 coins is trice that of Rs.5 coins. Find the number of coins of each type.
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Let no.of 5 rupee coins = x
let no.of 2 rupee coins =2x
let no.of 1 rupee coins =3x
60 = 5×x+2×x+1×3x
60 = 5x+4x+3x
60 = 12x
x = 5
No.of coins with him= 3x
= 3×5
= 15
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