A group of men committed to completing a task in 20 days. The work was completed in 40 days because 5 workers did not come for work. Determine the number of men who originally agreed to do the work.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 10
Let x be the workers to join initially
According to the question
x × 20 = (x - 5) × 40
20x = 40x - 200
20x = 200
x = 10