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Md Ejaz Ahmad

· started a discussion

· 1 Months ago

Please provide alternate solution

Question:

A man, a woman and a boy can complete a piece of work in 20 days, 30 days and 60 days respectively. How many boys must assist men and women so as to complete the work in days ?

Options:
A)

8

B)

12

C)

4

D)

6

Solution:

Ans: (a)

  

Ragul Ramalingam

· commented

· 1 Months ago

2/20 + 8/30 + x/60 = 1/2 , x=8

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