1.

A tank is normally filled in 8 hours but takes 2 hours longer to fill because of a leak at the bottom. If the tank is full and due to leakage alone, the tank will get empty in ______ hours (Assume no further filling happens)

A. 20
B. 40
C. 30
D. 50
Answer» C. 30


Discussion

No Comment Found

Related MCQs