Question

attempting this Question.
Pawan visits his friend's home. which is 20 km away from his home. He covers the first half of the distance in
some time at the speed of 6 km/h and to cover the second half of the distance he takes double the time than
the first half. What is the time taken by him to cover the whole journey?
​

Answer 1

Answer:

5 hours

Explanation:

taken time for covering half distance =(5/3)h

next half distance cover in 2×(5/3)h=(10/3)h

total time =(5/3)+(10/3)=5h

Answer 2

Answer:

The time taken by him to cover the whole journey is 5hrs

​Explanation:

From the above question,

Given:

Pawan's home to his friend's home(distance)- 20km

He covered 10kms with speed of 6kmph.

We know,

Formula of time= Distance/ speed

So, For first half of journey,

time taken= 10/6

                  = 5/3 hrs

2nd half journey is done in double the time than the first half(as given in the question)

Therefore, the time taken= 2×5/3 hrs

                                           = 10/3hrs

So, total journey took:

Time taken in first half+time taken in the second half

5/3 + 10/3

= 15/3

=5hrs

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