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Toggle## Class 8, Maths, Chapter 15, Exercise 15.3 Solutions

**Q.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 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 ` 2500 for a year.**

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

**Ans:**

**(a) Cost of apples**

**(b) Distance travelled by a car**

(i) the car covered 20 km during the period 7.30 am to 8 am.

(ii) The time was 7:30 am 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 ₹2500 for a year.

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

**Ans:**

**(c) Interest on deposits for a year.**

(i) yes, the graph passes through the origin.

(ii)

the interest on ₹2500 for a year is ₹200

(iii)

To get an interest of ₹280 per year, ₹3500 money should be deposited.

**Q.2. Draw a graph for the following**

**Is it a linear graph?**

**Is it a linear graph?**

**Ans:**

Yes, it is linear graph.

No, it is not a linear graph.