Q. |
Ram and Shyam can complete a piece of work in 10 and 15 days respectively. If they work in alternate days, starting with Ram, in how many days will the work be completed? |
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A. 6 |
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B. 10 |
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C. 12 |
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D. 16 |
Let the total work to be completed = 30 units (LCM of 10 & 15)
On the first day, Ram can do 3 units of work
On the second day, Shyam can do 2 units of work
5 units of work will be completed in 2 days
30 units of work will be completed in 12 days.