A can finish a work in 18 days and B can do the same work in half the time taken by A. Then,working together, what part of the same work they can finish in a day?

Question:A can finish a work in 18 days and B can do the same work in half the time taken by A. Then,working together, what part of the same work they can finish in a day?

1.1/4

2.1/6

3.1/7

4.1/8


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