Sanjiv has Rs 60 in 10-rupee and 5-rupee coins. If the 10-rupee coins exceed the number of 5-rupee coins by 3, how many coins does he have?
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let no. 10 rs coins be x
and no. of 5 rs coins be y
by first condition
10x + 5y = 60 .....(1)
x = y + 3 .....(2)
by simultaneously solving equations 1 and 2
y=2 and x=5
and no. of 5 rs coins be y
by first condition
10x + 5y = 60 .....(1)
x = y + 3 .....(2)
by simultaneously solving equations 1 and 2
y=2 and x=5
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