NCERT Solutions For Class 8 Maths Chapter -15 Introduction to graph Exercise – 15.3

NCERT Solutions For Class 8 Maths Chapter – 15 Introduction to graphs Exercise – 15.3

Q1. Draw the graphs for the following tables of values with suitable scales on  the axes.

  • Cost of apples

Ncert solution class 8 chapter 15-14

 

  • Distance travelled by a car.

Ncert solution class 8 chapter 15-15

 

(i)   How much distance did the car cover during the period 7:30 A.M.  to 8:00 A.M. ?

  • 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.

Ncert solution class
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  • Does the graph pass through the origin ?
  • Use the graph to find the interest on Rs 2500 for a year.
  • To get an interested of Rs 280  per year, how much money should be deposited ?

Solution:-

 

Mark “ number of apples” on x- axis and “cost” on y – axis . The graph is

 

Ncert solution class 8 chapter 15-17

 

( b ) Represent the “time” on x – axis and “distance on y- axis.

Ncert solution class 8 chapter 15-18

 

  • The car covered 20 km distance
  • It was 7:30 A.M. when it covered 100 km distance.
  • Represent “Deposit” on y – axis and simple “interest” on x- axis.

( c ) Represent “Deposit” on y- axis and “simple interest” on x -axis.

Ncert solution class 8 chapter 15-19

 

  • Yes, the graph passes through the origin.
  • Interest on Rs. 2500 is Rs. 200 for a year.
  • 3500 should be deposited for interest of Rs. 280.
  • Also Read

NCERT Solution for class 7th English Poem-8

Q2. Draw a graph for the following

Ncert solution class 8 chapter 15-20

 

Solution:-

  • Yes, it is linear graph.

 

Ncert solution class 8 chapter 15-21

 

  • No, it is not a linear graph because the graph does not provide a straight line.

Ncert solution class 8 chapter 15-22

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NCERT Solutions For Class 8 Maths Chapter – 15 Introduction to graphs Exercise – 15.3 Q1. Draw the graphs for the…