Question

rupees hundred in Rupees 1 coins and 50 paise coins all the 50 paise coins are worth as much as all the 1 rupees coins how many coins of each he has

Answer 1

Let x no 1rs coins and y no of 50 paise coins
So A. To. Q
x+y/2=100
2x+y=200-------------(1)
Again
y/2=x
2x-y=0----------------(2)
Eq(1)+eq(2)
4x=200
x=50coins
So put x in eq(1)
100+y=200
y=100coins