Question

Divide ₹90 into two parts, so that the ratio between their difference and sum is 1:9

Answer 1

Answer:

1:9=90

1x:9x=90

1x+9x=90

10x=90

x=90/10

x=9

first part will be 1x=₹9

second part will be 9x=9*9=₹81.