If cfrac-4-5- of a water tank is filled in 1 hour- how much time will be required to fill the rest of it-20 minutes15 minutes12 minutes10 minutes

Question

Toppr Admin · Accepted Answer

Given 45 of a water tank is filled in 1 hr i-e- 60 mins-The rest of the tank i-e- 1-x2212-45-15 of the tank will be filled in-xA0-6045-xD7-15-604-15 mins-

If $\frac{4}{5}$ of a water tank is filled in $1$ hour, how much time will be required to fill the rest of it?
$20$ minutes
$15$ minutes
$12$ minutes
$10$ minutes

Given $\frac{4}{5}$ of a water tank is filled in $1$ hr i.e. $60$ mins.

The rest of the tank i.e. $1 - \frac{4}{5} = \frac{1}{5}$ of the tank will be filled in
$\frac{60}{\frac{4}{5}} \times \frac{1}{5} = \frac{60}{4} = 15$ mins.

If 45 of a water tank is filled in 1 hour, how much time will be required to fill the rest of it?20 minutes15 minutes12 minutes10 minutes

Given 45 of a water tank is filled in 1 hr i.e. 60 mins.The rest of the tank i.e. 1−45=15 of the tank will be filled in 6045×15=604=15 mins.

If $\frac{4}{5}$ of a water tank is filled in $1$ hour, how much time will be required to fill the rest of it?
$20$ minutes
$15$ minutes
$12$ minutes
$10$ minutes

Given $\frac{4}{5}$ of a water tank is filled in $1$ hr i.e. $60$ mins.

The rest of the tank i.e. $1 - \frac{4}{5} = \frac{1}{5}$ of the tank will be filled in
$\frac{60}{\frac{4}{5}} \times \frac{1}{5} = \frac{60}{4} = 15$ mins.