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SACHIN MALIK

· started a discussion

· 1 Months ago

Wrong Answer (Question:320137.0)

Incorrect solution

Question:

 A place of work can be done by B in 18 days and by A in 15 days. A first worked on the job for a few days after which B started the work replacing him. If the work was finally completed in 16 days after how many days from start did leave.


Options:
A)

 5 days

B)

 10 days

C)

 11 days

D)

 8 days

Solution:

 Let A leave work after  x    days

Now,  6x+(16-x)5=90   

⇒x+80=90⇒x=10 days   

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