Question

in a bag number of 1 rupee coin is 3 times than 2 rupee coin. if there only 150 rupees in the bag, then find out number of both coins.​

Answer 1

Step-by-step explanation:

let the no. of 2rupee coins be X

then no. of 1rupee coins is 3X

Cost of X no. of 2rupee coins=2X

cost of X no. of 1 rupee coins=3X

ATQ,

$2x + 3x = 150 \\ 5x = 150 \\ x = 30$

therefore no. of 2rupee coins=30

and no. of 1 rupee coins=3×30=90