Question

I have a total of 300 in coins of denomination Rupee 1,2and 5 .the number of Rupee 2coins is 3 times the number of Rupee 5 coins the total number of coins is 160. How many denomination of coins with me

Answer 1

Answer:

100 coins of denomination

Step-by-step explanation:

50+50=100

Answer 2

Step-by-step explanation:

Let rs5 coins be X

Rs1 coins = 160-4x=160-4x

Rs2 coins = 3x=6x

Rs5 coins = x=5x

160-4x+6x+5x=300

160+7x=300

7x=300-160

7x=140

X=140/7=20

Rs1 coins=160-4x=160-80=80

Rs2 coins=3x=60

Rs5 coins=X=20