Question

I have total of rupees 300 in coins of denomination Rupees 1 rupees 2 and rupees 5 the number of Rs 2 coins is 3 times the number of Rs 5 coin the total number of coins is 160 how many coins of each denomination are with me

Answer 1

1 coin = 80 * 2 coin= 60 * 5coin=20

Answer 2

Answer:

Total no. of coins = 160

The no. of 5 rs coins be x

The no. of 2 rs coins be 3x

The no. of 5 rs coins be 4x

The no. of coins => 1 coins 160 - ( 3x + x)

= 160 - 4x

Amount of 5 rs coins = 5x

Amount of 2 rs coins = 2x × 2 = 6x

Amount of 1 rs coin = 60 - 4x

.•. -> 5x + 6x + 160 - 4x = 300

-> 11x + 160 - 4x = 300

-> 7x + 160 - 4x + 160 = 300

-> 7x = 140

-> x = 140 / 7 = 20