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Both X and Y together can complete a wor...

Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?

A

15

B

20

C

18

D

16

Text Solution

AI Generated Solution

To solve the problem step by step, we can follow these instructions: ### Step 1: Determine the total work done by X and Y together. Given that X and Y together can complete the work in 12 days, we can express the total work in terms of units. If we assume the total work is 60 units (as derived from the LCM calculation), then: \[ \text{Work done by X and Y in 1 day} = \frac{60 \text{ units}}{12 \text{ days}} = 5 \text{ units/day} \] ...
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