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A and B can do a piece of work in 18...

This question belongs to Arithmetic Ability Time And Work
Time and Work
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A and B can do a piece of work in 18 days. B and C together can do it in 30 days. If A is twice as good a workman as C, find the how many days B alone can do the work?

Answer & Solution
Correct Answer: Option A
Time and Work mcq question image
A : C = 2 : 1
A = 4 unit
C = 2 unit
B = 1 unit
B = $$\frac{{90}}{1}$$ = 90 days
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