Question

m is thrice as good as workman as n and together they nish a piece of work in 30 days. In how many days will m alone nish the work?

Answer 1

Answer:

M alone can do a piece of work in 27 days.

Step-by-step explanation:

Let B be x and M be 2x

(M+B)'s 18 days' work=1

(M+B)'s 1 days' work=1/18

This can also be written as

x+2x=1/18

3x=1/18

x=1/54

Let's multiply both sides of this equation by 2.

Therefore,  

2x=1/27=>A's 1 day's work=1/27

Thus, M alone can do a piece of work in 27 days.

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