Question

Chameli has 3 times as many two rupee coins as she has five rupee coins. If she has in all a sum of Rs 77, then how many coins of denomination does she have?​

Answer 1

Let the five rupee coins be x
And two rupee coins be 2x
And three rupee coins be 3*2x
=6x
Amount of five rupee coins =5x
Amount of two rupee coins =4x
Amount of three rupee coins be 18x
According to the question,

5x+4x+18x=77
27x=77
x=77/27

Five rupee coins =5x
=5*77/27
=14coins
Likewise You can find for rest
=