Math, asked by rohithmanoj569, 18 days ago

21. A and B together can finish a piece of work in 12 days. If 'A' alone can finish the same work 20days, in how many days B alone can finish it?​

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Answers

Answered by 3022021
1

Answer:

Step-by-step explanation:

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Answered by muskangupta13021
0

Answer:

The Number of days will be 30 days.

Step-by-step explanation:

Let the number of days taken by B to complete the work be x days.

A finishes the work in 20 days.

No. of days A and B worked together= 12

1/20+1/x=1/12

1/x=1/12-1/20

1/x=5/60-3/60

1/x= 2/30 or 1/30

x=30

Therefore, B completes the work in 30 days.

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