Multiple choice

Direction : Study the following questions carefully and choose the right answer.If Ajay completes a project in 7 days and Kajol alone completes the same project in 8 days, then in how many days will they complete the project if they both work together?

  1. 2.73

  2. 2.57

  3. 3.73

  4. 5.55

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

The combined rate is 1/7 + 1/8 = 15/56. The time taken is 56/15 = 3.733 days.

AI explanation

Using the combined work formula, their one day work is 1/7 + 1/8, which equals 15/56 of the project per day. To find the total time, we take the reciprocal of their combined daily work, yielding 56/15 days. Dividing 56 by 15 results in approximately 3.73 days.

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