Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively If only pipe B was kept ...........

Quantitative Aptitude (CPO) Pipes&cistern

Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If only pipe B was kept open in the beginning for $\frac{1}{5}$ th of

the total time and then. both pipe A and B were kept open for the remaining time. How many minutes did it take the pipes to fill the

tank?

This questions was previously asked in

SSC CPO 15th-March-2019-Shift-2

$13_{23}^{5}$

$16_{23}^{5}$

$16_{23}^{1}$

$13_{23}^{1}$

$13_{23}^{1}$

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