1 boy is working on first day, two boys are working on second day, 3 boys are working on third day and similarly one boy is added on next day till 20 boys are working on 20th day. Find the time taken by 5 men to do the same work if one man is twice efficient than one boy.

1 boy is working on first day, two boys are working on second day, 3 b

1.	1 boy is working on first day, two boys are working on second day, 3 boys are working on third day and similarly one boy is added on next day till 20 boys are working on 20th day. Find the time taken by 5 men to do the same work if one man is twice efficient than one boy.
A.	22 days
B.	16 days
C.	28 days
D.	21 days
Answer» E.

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1 boy is working on first day, two boys are working on second day, 3 boys are working on third day and similarly one boy is added on next day till 20 boys are working on 20th day. Find the time taken by 5 men to do the same work if one man is twice efficient than one boy.

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