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Sticky Note
Shaista completes a piece of work in 10 days, All completes the same work in 40 days, if they work together, the days required to complete the work will be _________
  1. 6 days
  2. 8 days
  3. 10 days
  4. 16 days
Explanation

LCM of 1/10 + 1/40 = 1/8

Number of days to complete the total work = 8 days

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Six clerks can complete a piece of work in 15 hours. After working for 5 hours, 3 more clerks join them with the same efficiency. How much total time will be required to complete the work?
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  4. None of these
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