Question
If a man walks 16 km in 5 hours, how long would he take to walk 11.2 km?
- 3.5 hours
- 4.5 hours
- 2.5 hours
- 4.2 hours
Hint:
We are given the distance travelled by a man in 5 hours. It is 16 km. We have to time taken in 11.2 km. We will find the speed of walking first. Using this information, we will find the required value.
The correct answer is: 3.5 hours
Distance travelled in 5 hours is 16 km.
We will find speed of the walking. Using that information, we can find the time required to travel 11.2 km.
Now, we will use this value to find the required distance
We will multiply both sides by Time and divide by Speed. And, we will rearrange the expression.
So, the time required to travel 11.2 km is 3.5 hours.
For such questions, we should know find the speed. We should be careful about the units.
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