NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3

NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3

NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Exercise 15.3

Ex 15.3 Class 8 Maths Question 1.
Draw the graphs for the following tables of values, with suitable scales on the axes.
(a) Cost of apples

NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 Q1
(b) Distance travelled by car.
NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 Q1.1
(i) How much distance did the car cover during the period 7:30 am to 8 am?
(ii) What was the time when the car had covered a distance of 100 km since its start?
(c) Interest on deposits for a year.
NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 Q1.2
(i) Does the graph pass through the origin?
(ii) Use the graph to find the interest on ? 2500 for a year.
(iii) To get an interest of t 280 per year, how much money should be deposited?
Solution:
NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 Q1.3
(b) (i) The distance covered by the car during the period 7:30 am to 8 am is (120 km – 100 km) = 20 km.
(ii) At 7:30 am, the car had covered a distance of 100 km.
NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 Q1.4
(c) (i) Yes, the graph passes through the origin,
(ii The interest on ₹ 2500 is ₹ 200 for 1 year.
(iii) ₹ 3500 should be invested to earn the interest of ₹ 280.
NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 Q1.5

Ex 15.3 Class 8 Maths Question 2.
Draw the graph for the following:
NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 Q2
Solution:
NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 Q2.1

NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 q-1

NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 q-2

NCERT Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Ex 15.3 q-2.1

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