Multiple choice

The number of trees cut by 50 men in 8 hours is 70. If 10 men leave the job, then how many trees will be cut in 12 hours?

  1. 84 trees

  2. 67 trees

  3. 82 trees

  4. 37 trees

  5. 2 trees

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

50 men working for 8 hrs cut 70 trees. 
or 1 man working for 1 hr cuts 70/(50 * 8) trees.

Thus, 40 men working for 12 hrs will cut (70 * 40 * 12)/(50 * 8) trees  = 84 trees.

It is the correct answer.