Multiple choice

A group of 123 men can do a piece of work in 21 days. Find the amount of work done by 32 men in 99 days.

  1. 121%

  2. 123%

  3. 125%

  4. 127%

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Total work is 123 * 21 man-days = 2583. The work done by 32 men in 99 days is 32 * 99 = 3168. The percentage of the original work is (3168 / 2583) * 100 which is approximately 122.6%, rounding to 123%.