#### Chapters

Chapter 2: Parallel lines and transversals

Chapter 3: Indices and Cube root

Chapter 4: Altitudes and Medians of a triangle

Chapter 5: Expansion formulae

Chapter 6: Factorisation of Algebraic expressions

Chapter 7: Variation

Chapter 8: Quadrilateral : Constructions and Types

Chapter 9: Discount and Commission

Chapter 10: Division of Polynomials

Chapter 11: Statistics

Chapter 12: Equations in one variable

Chapter 13: Congruence of triangles

Chapter 14: Compound interest

Chapter 15: Area

Chapter 16: Surface area and Volume

Chapter 17: Circle : Chord and Arc

## Chapter 14: Compound interest

#### Practice Set 14.1 [Page 90]

### Balbharati solutions for Maharashtra state board (SSC) Class 8 Mathematics Chapter 14 Compound interest Practice Set 14.1 [Page 90]

Find the amount and the compound interest.

No. | Principal (₹) | Rate (p.c.p.a.) | Duration (Years) |

1 | 2000 | 5 | 2 |

2 | 5000 | 8 | 3 |

3 | 4000 | 7.5 | 2 |

Sameerrao has taken a loan of ₹12500 at a rate of 12 p.c.p.a. for 3 years. If the interest is compounded annually then how many rupees should he pay to clear his loan?

To start a business Shalaka has taken a loan of ₹8000 at a rate of 10 `1/2` p.c.p.a. After two years how much compound interest will she have to pay?

#### Practice Set 14.2 [Page 93]

### Balbharati solutions for Maharashtra state board (SSC) Class 8 Mathematics Chapter 14 Compound interest Practice Set 14.2 [Page 93]

On the construction work of a flyover bridge there were 320 workers initially. The number of workers were increased by 25% every year. Find the number of workers after 2 years.

A shepherd has 200 sheep with him. Find the number of sheeps with him after 3 years if the increase in number of sheeps is 8% every year.

In a forest there are 40,000 trees. Find the expected number of trees after 3 years if the objective is to increase the number at the rate 5% per year.

The cost price of a machine is 2,50,000. If the rate of depreciation is 10% per year find the depreciation in price of the machine after two years.

Find the compound interest if the amount of a certain principal after two years is ₹4036.80 at the rate of 16 p.c.p.a.

A loan of ₹15000 was taken on compound interest. If the rate of compound interest s 12 p.c.p.a. find the amount to settle the loan after 3 years.

A principal amounts to ₹13924 in 2 years by compound interest at 18 p.c.p.a. Find the principal.

The population of a suburb is 16000. Find the rate of increase in the population if the population after two years is 17640.

In how many years ₹700 will amount to ₹847 at a compound interest rate of 10 p.c.p.a.

Find the difference between simple interest and compound interest on ₹20000 at 8 p.c.p.a.

## Chapter 14: Compound interest

## Balbharati solutions for Maharashtra state board (SSC) Class 8 Mathematics chapter 14 - Compound interest

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Concepts covered in Maharashtra state board (SSC) Class 8 Mathematics chapter 14 Compound interest are Concept of Compound Interest, Application of Formula for Compound Interest.

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