NCERT Solutions of Introduction to Graphs Class 8
<< Solution of NCERT Exercise 13.1Solution of NCERT Exercise 14.1 >>

Introduction to Graphs

Exercise 2

1. Plot the following points on a graph sheet. Verify if they lie on a line

(a) A(4, 0), B(4, 2), C(4, 6), D(4, 2.5)

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(b) P(1, 1), Q(2, 2), R(3, 3), S(4, 4)

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(c) K(2, 3), L(5, 3), M(5, 5), N(2, 5)

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EXERCISE 3

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

(a) Cost of apples

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(b) Distance travelled by a car

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

Answer: 20 km

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

Answer: 7:30 AM

(c) Interest on deposits for a year.

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(i) Does the graph pass through the origin?

Answer: Yes

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

Answer: The mid point between 2000 and 3000 is near Rs. 200, so the interest for Rs. 2500 is Rs. 200

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

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2. Draw a graph for the following.

(i)

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(ii)

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  NCERT Solutions of Introduction to Graphs Class 8
<< Solution of NCERT Exercise 13.1Solution of NCERT Exercise 14.1 >>

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