Question

68. A does half as much work as B in one-third of the
time taken by B. If together they take 10 days to
complete a work, then the time taken by B alone to do
it would have been​

Answer 1

Answer:

25 days

Step-by-step explanation:

A : B

Time 1 : 3(Description same as Q no.137)

work 1 : 2

now make equal time

efficiency 3:2

Time 3:3

(Description same as Q no.137)

Total work=10days×5=50units

B alone completes whole work in

=50/2

=25days

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