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A and B can do a piece of work in 60 day...

A and B can do a piece of work in 60 days and 75 days, respectively. Both begin together but after a certain time A leaves off . In such case B finishes the remaining work in 30 days . After how many days did A leave ?

A

25 days

B

21 days

C

20 days

D

24 days

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT SSC-WORK AND TIME -EXERCISE BASE LEVEL QUESTION
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  4. A can do a piece of work in 25 days and B can finish it in 20 days. Th...

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  14. If m men working m hr per day, can do m units of work in m days, then ...

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  17. 20 workers working for 5 h per day complete a work in 10 days. If 25 w...

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  19. A stock of food is enough for 240 men for 48 days. How long will the s...

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