Question : A can do work in 18 days and B in 24 days. If they work on it together for 5 days, then find the fraction of the work that is left.
Option 1:
Option 2:
Option 3:
Option 4:
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Correct Answer:
Solution :
Given: A can do a work in 18 days and B in 24 days.
Efficiency of A =
Efficiency of B =
Combined efficiency of A and B =
Hence, total work done in 5 days =
Fraction of work remaining =
Hence, the correct answer is
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