Q: If A can build a wall in 30 days and B can build it in 40 days, and they receive a payment of RS. 7000 for building the wall together, what is B's share?

A 4000
B 3000
C 2000
D 6000

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Answer: B

Explanation:

The proportion of A's and B's shares can be calculated by comparing the time it takes them to build the wall individually.
In this case,
A can build the wall in 30 days and B can build it in 40 days,
so the proportion of their shares is 4:3.
Using this proportion,
we can calculate B's share of the payment.
In this case, B's share is RS. 3000.

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Q: If A can build a wall in 30 days and B can build it in 40 days, and they receive a payment of RS. 7000 for building the wall together, what is B's share?

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