Mathematics
Medium
Question
A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full the leak will empty it in.
A
16 hrs
B
20 hrs
C
25 hrs
D
40 hrs
✓ Official correct answer
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A
16 hrs
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B
20 hrs
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C
25 hrs
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D
40 hrs
No member explanations yet for this option.