Multiple choice

Pradeep and Dipali can do a piece of work in 10 days if they work together. Dipali alone can do it in 12 days. In how many days can Pradeep do the same work if he work alone?

  1. 40 days

  2. 35 days

  3. 30 days

  4. 60 days

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pradeep and Dipali's 1 day's work = 1/10 Dipali's 1 day's work = 1/12 Therefore, Pradeep's 1 day's work = 1/10 - 1/12 = 2/120 = 1/60 Number of days required to do the work by Pradeep = 60 days Hence, this option is correct.

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