Question

A purse contains RS. 27 and 25P. in 50P. and 25P. coins. if the number of coins be 70, how many are there of 50P. coins

Answer 1

x + y = 70

x = 70 - y

50x + 25y = 2725

50(70 -y) + 25 = 2725

3500 - 50y + 25 = 2725

25y = 775

y = 31

So x = 70 - 31 = 39

So 50p = 39 & 25p = 31