Exercise 13.2 (Revised) - Chapter 15 - Introduction To Graphs - Ncert Solutions class 8 - Maths

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Chapter 13 - Introduction To Graphs - NCERT Solutions for Class 8 Maths

Ex 13.2 Question 1.

Draw the graphs for the following tables of values, with suitable scales on the axes.
(a) Cost of apples

(b) Distance travelled by a car

(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 $100 \mathrm{~km}$ since it's start?
(c) Interest on deposits for a year.

(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?

Answer.

(a)

(b) (i) The car covered $20 \mathrm{~km}$ distance.
(ii) It was $7.30 \mathrm{am}$, when it covered $100 \mathrm{~km}$ distance.

(c) (i) Yes, the graph passes through the origin.
(ii) Interest on Rs. 2500 is Rs. 200 for a year.
(iii) Rs. 3500 should be deposited for interest of Rs. 280 .

Ex 13.2 Question 2.

Draw a graph for the following.
(i)

Is it a linear graph?
(ii)

Is it a linear graph?

Answer.

(i) Yes, it is a linear graph.

(ii) No, it is not a linear graph because the graph does not provide a straight line.