Question

A sum of 500 is in the form of denominations of RS 5 AND Rs 10. if the total no. of notes is 90 find the no of notes of each denomination.

Answer 1

ANSWER

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.

Answer 2

Answer:

80,10

Step-by-step explanation:

Let the no. of ₹10 notes be x.

Then, no. of ₹5 notes = 90-x.

A.T.Q.

5(90-x) + 10x = 500

450-5x +10x = 500

450 + 5x = 500

5x = 500-450

5x = 50

x = 50/5

x = 10

No. of ₹5 notes = 90-10

= 80

No. of ₹10 notes = 10