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NCERT solutions for class 8 maths chapter 15 exercise 15.3




In this page we have NCERT solutions for class 8 maths chapter 15 exercise 15.3 for Introduction to Graphs.This exercise has questions about application of linear graph and cartesian system. Hope you like them and do not forget to like , social share and comment at the end of the page.

NCERT solutions for class 8 maths chapter 15 exercise 15.3

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 exercise 15.3
(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 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
Steps to follow for Drawing the graph
1. Find the quantities to be plotted
2. Decide the quantities to betaken on x-axis and on y-axis.
3. Choose a scale.
4. Plot points.
5. Join the points
(a)  We can mark number of apples on x-axis and cost of apples in y-axis

(b) We can mark timing  on x-axis and distance covered in y-axis

(i)20 km
(ii) 7:30 AM
(c)
NCERT Solutions for Introduction to Graphs Chapter 15 Class 8 Maths
(i)  Yes

(ii) The mid point between 2000 and 3000 is near Rs. 200, so the interest for Rs. 2500 is Rs. 200
(iii) From the graph, we can infer that Rs3500 deposit is required to earned Rs 280 interest

Question 2
Draw a graph for the following.
(i)

(ii)

Graphs Exercise 15.3 NCERT
Answer
(i)
Graphs Exercise 15.3 NCERT PDF
This is a linear graph
(ii)
Graphs Exercise 15.3 NCERT PDF download
This is not a linear graph as it is not straight line

Summary

  1. NCERT solutions for class 8 maths chapter 15 exercise 15.3 has been prepared by Expert with utmost care. If you find any mistake.Please do provide feedback on mail. You can download the solutions as PDF in the below Link also
    Download Introduction to Graphs NCERT solution Exercise 15.3 as pdf
  2. This chapter 15 has total 3 Exercise 15.1 ,15.2 and 15.3. This is the Third exercise in the chapter.You can explore previous exercise of this chapter by clicking the link below

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