Question 48

A pump can fill a tank in 4 hours. but due to a leak. the tank now gets filled in 5 hours.
How long will it take the leakage to empty the tank when it is full?

Solution

Let the leak empty the tank in x hrs.

$$\frac{1}{4} - \frac{1}{x} = \frac{1}{5}$$

Solving for x , x= 20 hrs

So , the answer would be Option d)20 hours.

Create a FREE account and get:

Download RRB Study Material PDF
45+ RRB previous papers with solutions PDF
300+ Online RRB Tests for Free

CAT Quant Questions | CAT Quantitative Ability

CAT Averages Mixtures Alligations Questions CAT Logarithms, Surds and Indices Questions CAT Logarithms Questions CAT Profit And Loss Questions CAT Venn Diagrams Questions

CAT DILR Questions | LRDI Questions For CAT

CAT Puzzles Questions CAT Games and Tournamnents Questions CAT Quant Based LR Questions CAT Miscellaneous LR Questions CAT Maxima-Minima Questions

CAT Verbal Ability Questions | VARC Questions For CAT

CAT Vocabulary Questions CAT Odd One Out Questions CAT Para Jumbles Questions CAT Verbal Ability Questions CAT Para Summary Questions

Follow us on

Boost your Prep!

Download App