Multiple choice

Amritesh can do a piece of work in 5 days while Anuj can do the same piece of work in 10 days. In how many days can the work be completed if both starts working together ?

  1. 10 days

  2. 10/3 days

  3. 20 days

  4. 20/3 days

  5. None
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Amritesh rate = 1/5, Anuj rate = 1/10. Combined rate = 1/5 + 1/10 = 3/10. Time = 1 / (3/10) = 10/3 days.

AI explanation

Using the LCM method, let the total work be 10 units, giving Amritesh a daily work rate of 2 units and Anuj a daily work rate of 1 unit. Working together, their combined daily capacity is 2 + 1, which equals 3 units per day. Dividing the total 10 units of work by their combined daily capacity of 3 units gives a completion time of 10/3 days.

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