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A and B working together can do 45% of t...

A and B working together can do 45% of the work in 9 days. A alone can do the work in 30 days. How many days will B alone take to do the same work?
A और B एक साथ कार्य करते हुए 9 दिनों में 45% कार्य कर सकते हैं। एक अकेला 30 दिनों में कार्य कर सकता है। B अकेले उसी कार्य को करने में कितने दिन लगाएगा?

A

60 days

B

70 days

C

48 days

D

50 days

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