Question

a is twice as good a workman as b and b is twice as good a workman as c. if a and v can together finish a piece of work in 4 days then c can do it by himself in​

Answer 1

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According to question,

A : B : C

Efficiency => 2 : 1

2 : 1 4 : 2 : 1 units/days

(A + B)'s one day work is (4 + 2) units = 6 units.

And they complete in 4 days.

nd they complete in 4 days.So total work :

6×4=24 units

And C completes whole work in :

(24 units) / (1 unit per day)

= 24 days.

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