5 workers, working 8 hours a day, finished painting a house in 2 days. If an identical house has to be painted completely in a day by 8 workers, how many hours should they work?

Maths / Basic Math — Multiple-choice practice

  1. A. 12
  2. B. 10
  3. C. 13
  4. D. 11

Correct answer

10

Explanation

Explanation Step-by-step explanation: If 5 workers in 8 hours in 2days then 8workers in 10 hours in a day. Check- 5*8*2/8*10*1 - 80/80 - 1 both values are equal so, 10 hours is the answer.

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