Question

Quantity I: Two pipes, X and Y, have different filling rates for a tank. Pipe X can fill the tank in 20 minutes, while pipe Y can do it in 30 minutes. They are both activated simultaneously, but after 6 minutes, pipe Y is shut off. Calculate the total time it takes to completely fill the tank. Quantity II: There are two taps, A and B, with distinct filling rates for a cistern. Tap A can fill the cistern in 24 minutes, and tap B can do it in 16 minutes. Vijay initiates both taps at precisely 11:00
a.m. and leaves. Upon his return, he notices that an outlet pipe has been opened, so he promptly closes it. Interestingly, the cistern is completely filled by 11:15
a.m. Can you determine the duration required for the outlet pipe, operating independently, to empty the entire cistern?

A Quantity-I > Quantity-II
B Quantity-I < Quantity-II
C Quantity-I ≤ Quantity-II
D Quantity-I = Quantity-II or No relation
E Quantity-I ≥ Quantity-II
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