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Question

Suraj is one third as good as workman as Pankaj and together they finish a piece of work in 36 days. The number of days taken by Suraj alone to finish the work is

A 190 days Correct Answer Incorrect Answer
B 144 days Correct Answer Incorrect Answer
C 249 days Correct Answer Incorrect Answer
D 48 days Correct Answer Incorrect Answer

Solution

Ratio of efficiency of Pankaj & Suraj = 3:1 & they do a job in 36 days so let total work = (3+1)`xx` 36 = 144 units Hence Suraj alone will finish this job in = 144/1 = 144 days

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