number of 10 rupee coin is half of the number of 5 rupee coin and number of 1 rupee coin is twice to the number of 5 rupee coin. If the total amount is 120. Find the number of each coin.
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₹5=x
₹1=2x
₹10=x/2
₹5=10no.
₹1=20no.
₹10=5no.
5×x+1×2×x+10×x/2=120
12x=120
x=120/12
x=10
. : ₹5=10
₹1=20
₹10=5
₹1=2x
₹10=x/2
₹5=10no.
₹1=20no.
₹10=5no.
5×x+1×2×x+10×x/2=120
12x=120
x=120/12
x=10
. : ₹5=10
₹1=20
₹10=5
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