SSC CGL 30 Aug 2015 Paper

Question : 128 of 200

Marks: +1, -0

If 1 man or 2 women or 3 boys can do a piece of work in 44 days, then the same piece of work will be done by 1 man, 1 woman and 1 boy in

Solution:

1 man = 2 women = 3 boys
∴ 1 man + 1 woman + 1 boy = 3 boys +

3/2

boys + 1 boy
=

(3+3/2+1)

boys =

{11}/2

boys
∴ By

M_1D_1

M_2D_2

3 × 44 =

{11}/2 × D_2

⇒

D_2

{2×3×44}/{11}

= 24 days

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