The following table gives the distances travelled by a car at various time-intervals. Study the table and draw a linear graph for the same.

Time 6 a.m. 7 a.m. 8 a.m. 9 a.m.

Distance (in km) 40 80 120 160

From your graph, answer the questions given below:

(i) How much distance did the car cover during the period from 7.30 a.m. to 8 a.m.

(ii) What was the time when the car had covered a distance of 100 km, since its start?

(iii) How much distance had the car covered by 8.30 a.m.?

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Solution

(i) The car covers 20 km during the period from 7.30 a.m. to 8 a.m.
(ii) The car covered 100 km at 7.30 a.m.
(iii) The car covered 140 km by 8.30 a.m.

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Similar questions

\begin{matrix} T i m e (i n h o u r s) & 6 a . m & 7 a . m & 8 a . m & 9 a . m D i s t a n c e (i n k m) & 40 & 80 & 120 & 160 \end{matrix}

\begin{matrix} T i m e (i n h o u r s) & 6 a . m & 7 a . m & 8 a . m & 9 a . m D i s t a n c e (i n k m) & 40 & 80 & 120 & 160 \end{matrix}

Draw the graphs for the following tables of values, with suitable scales on the axes.

(a) Cost of apples

Number of apples	1	2	3	4	5
Cost (in Rs)	5	10	15	20	25

(b) Distance travelled by a car

Time (in hours)	6 a.m.	7 a.m.	8 a.m.	9 a.m.
Distance (in km)	40	80	120	160

(i) How much distance did the car cover during the period 7.30 a.m. to 8 a.m.?

(ii) What was the time when the car had covered a distance of 100 km since its start?

Deposit (in Rs)	1000	2000	3000	4000	5000
Simple interest (in Rs)	80	160	240	320	400

(i) Does the graph pass through the origin?

(ii) Use the graph to find the interest on Rs 2500 for a year:

(iii) To get an interest of Rs 280 per year, how much money should be deposited?

Time in hours	6 AM	7 AM	8 AM	9 AM
Distance in km	40	60	80	120

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