Question

a sum of rupees 500 is in the form of denominations of rupees 10 and rupees 20
If total number of notes are 35
Find the number of notes of each denomination



pls answer​

Answer 1

Let the number of 5 rupee notes be x,then

The number of 10 rupee notes =90−x

Then ,according to the question

5x+10(90−x)=500

5x+900−10x=500

5x=400

x=80

There are 80 notes of Rs.5 and 10 notes of Rs.10.