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A, B and C, alone can do a piece of work...

A, B and C, alone can do a piece of work in 9, 12 and 18 days respectively. They all started the work together, but A left after 3 days. In how many days, was the remaining work completed ?
A, B और C अकेले किसी कार्य को क्रमशः 9, 12 और 18 दिनों में कर सकते हैं | उन सभी ने साथ कार्य शुरू किया, लेकिन 3 दिन के बाद A ने कार्य छोड़ दिया | शेष कार्य कितने दिनों में समाप्त हुआ ?

A

2

B

`5/2`

C

`11/4`

D

`9/5`

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