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## #1 2016-10-18 04:55:19

### Speed Time And Distance Quiz Question.

# Mathematics Quizzes Speed Time And Distance

**Question:**

Two boys starting from the same place walk at a rate of 5kmph and 5.5kmph respectively. What time will they take to be 8.5km apart, if they walk in the same direction?

**Option A):**

15 hours**Option B):**

17 hours**Option C):**

16 hours**Option D):**

None of these**Option E):**

18 hours

**Correct Answer is Option B):**

17 hours

**Explanation:**

In this type of questions we need to get the relative speed between them,

The relative speed of the boys = 5.5kmph-s5kmph

= 0.5 kmph

Distance between them is 8.5 km

Time = Distance/Speed

Time= 8.5km / 0.5 kmph = 17 hrs

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## 2016-10-18 04:55:19

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### Re: Speed Time And Distance Quiz Question.

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