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## #1 2017-12-13 04:06:31

**shakeel123****Moderator**- Registered: 2017-09-21
- Posts: 50,796

### Zaheer can do a work in 80 hours. If he and his son work together...

# General Basic Math Exams Quizzes MCQs Quizzes Time, Distance and Work Math Quiz

**Question:**

Zaheer can do a work in 80 hours. If he and his son work together, the time taken is 20 hours. The son working in the same capacity as when he was working with his father, can finish the work in?

**Option A):**

20 hours**Option B):**

25 hours**Option C):**

50 hours**Option D):**

60 hours

**Correct Answer is Option D):**

60 hours

**Explanation:****Solution:**

Zaheer = t₁ = 80 hours

Zaheer and son , t₂ = 20 hours

son, t=?

1/t = 1/t₂ = 1/t₁ = 1/20 – 1/80 = 4-1/80 = 3/80

t = 26 2/3 hrs.

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## 2017-12-13 04:06:31

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### Re: Zaheer can do a work in 80 hours. If he and his son work together...

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