How much time will both take to finish the work

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Ques- Ram can do a piece of work in 20 days and Shyam alone can do it in 30 days. How much time will both take to finish the work ?

Reference no: EM13975400

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How much time will both take to finish the work : Ram can do a piece of work in 20 days and Shyam alone can do it in 30 days. How much time will both take to finish the work ?
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