Question

5. Rahul alone can build a room in 20 days. He starts the work and leaves it after 5 days. Arjun does the
remaining work in 12 days. How long will it take if Arjun did the whole work alone? How long will it
take if Rahul and Arjun work together from the beginning?
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Answer 1

Answer:

In 5 days Rahul will build part of the room

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