A car is travelling from city `P` to city `Q` which are `350` km apart. The line graph given below describes the distances of the car from the city `P` at different times .

Study the above graph and answer the questions given below.
`(i)` What information is given on the two axes ?
`(ii)` From where and when did the car begin its journey ?
`(iii)` How far did the car go in the first hour ?
`(iv)` How far did the car go during `(a)` the `2nd` hour and `(b)` the `3rd` hour?
`(v)` Was the speed same during first three hours? How do you know it ?
`(vi)` Did the car stop for some duration at any place ? Justify your answer.
`(vii)` When did the car reach city `Q` ?

Answer

`(i)` The `x`-axis shows the time and the `y`-axis shows the distance of the car from city `P`.
`(ii)` From city `P`, at `8` a.m.
`(iii) 50km`
`(iv) (a) 100km` `(b) 50km`
`(v)` No. because the distance covered per hour is not uniform.
`(vi)` Yes, the car stopped during the interval `11` a.m. to `12` noon , as is indicated by the horizontal line segment during this period.
`(vii) 2` p.m.