Question

Kiran had 85 currency notes in all , some of which were of Rs.100 denaomination and the remaining of Rs.50 denomination the total amount of all these currency note was Rs.5000.how much amount did she have in the denomination of Rs.50?

Answer 1

Let the no of fifty rupee notes be x 

Then,no of 100 rupee notes =(85-x) 

50x+100(85-x)=5000

x+2(85-x)=100 

x=70 

so,,required amount=Rs.(50*70)= Rs.3500