Question

'B' is 20% more efficient than 'A.' 'A' began working on

Q: Answer-'B' is 20% more efficient than 'A.' 'A' began working on a task alone and continued for 8 days, afte...

ATQ, Let the efficiency of A 10y unitsday Then, efficiency of B 10y 1.2 12y unitsday So, total work 10y 8 12y 5 140y units So, time taken by A to complete the whole work alone 140y10y 14 days

a task alone and continued for 8 days, after which 'B' took over and completed the remaining work alone in 5 days. Now, In how many days 'A' would require to complete the entire task if they worked alone.

A 12 days

B 14 days

C 24 days

D 11 days

E none of these

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'B' is 20% more efficient than 'A.' 'A' began working on

Solution