Question

9. Two water taps together can fill a tank in 9 hours. The tap of larger diameter takes 10
hours less than the smaller one to fill the tank separately. Find the time in which each tar
can separately, fill the tank.​

Answer 1

larger tap equal to x

smaller tap equal to y

1/x+1/y=9

x=y-10

on substituting both equations

we get

by

quadratic formula

we get

y= 25;y=