Question
'Karan', 'Ravi', and 'Deepak' together can complete a work
in 24 days. 'Karan' and 'Ravi' together can complete the same work in 96 days. 'Deepak' alone can finish the same work in how many days?Solution
ATQ,
Let the total work = 96 units (LCM of 24 and 96)
Combined efficiency of 'Karan' and 'Ravi' = (96/96) = 1 unit/day
Combined efficiency of 'Karan', 'Ravi', and 'Deepak' = (96/24) = 4 units/day
Efficiency of 'Deepak' = 4 - 1 = 3 units/day
Time taken by 'Deepak' to complete the work alone = (96/3) = 32 days
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