NCERT Solutions for Class 10 Maths Chapter 5 Arithmetic Progressions Ex 5.1 are part of NCERT Solutions for Class 10 Maths. Here we have given NCERT Solutions for Class 10 Maths Chapter 5 Arithmetic Progressions Ex 5.1.

- Arithmetic Progressions Class 10 Ex 5.1
- Arithmetic Progressions Class 10 Ex 5.2
- Arithmetic Progressions Class 10 Ex 5.3
- Arithmetic Progressions Class 10 Ex 5.4

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 10 |

Subject |
Maths |

Chapter |
Chapter 5 |

Chapter Name |
Arithmetic Progressions |

Exercise |
Ex 5.1 |

Number of Questions Solved |
4 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 10 Maths Chapter 5 Arithmetic Progressions Ex 5.1

**Question 1.**

In which of the following situations, does the list of numbers involved make an arithmetic progression and why?

**(i)** The taxi fare after each km when the fare is ₹ 15 for the first km and ₹ 8 for each additional km.

**(ii)** The amount of air present in a cylinder when a vacuum pump removes of the air remaining in the cylinder at a time.

**(iii)** The cost of digging a well after every metre of digging, when it costs ₹ 150 for the first metre and rises by ₹ 50 for each subsequent metre.

**(iv)** The amount of money in the account every year, when ₹ 10000 is deposited at compound interest at 8% per annum.

**Solution:**

**Question 2.**

Write first four terms of the AP, when the first term a and the common difference d are given as follows:

**(i)** a = 10, d = 10

**(ii)** a = -2, d = 0

**(iii)** a = 4, d = -3

**(iv)** a = -1, d =

**(v)** a = -1.25, d = -0.25

**Solution:**

**Question 3.
**For the following APs, write the first term and the common difference:

**(i)**3, 1, -1, -3, ……

**(ii)**-5, -1, 3, 7, ……

**(iii)**, , , , ……..

**(iv)**0.6, 1.7, 2.8, 3.9, …….

**Solution:**

let a be the first item and d the common difference, then:

**Question 4.**

Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.

**(i)** 2, 4, 8, 16, …….

**(ii)** 2, , 3, , …….

**(iii)** -1.2, -3.2, -5.2, -7.2, ……

**(iv)** -10, -6, -2,2, …..

**(v)** 3, 3 + , 3 + 2, 3 + 3, …..

**(vi)** 0.2, 0.22, 0.222, 0.2222, ……

**(vii)** 0, -4, -8, -12, …..

**(viii)** , , , , …….

**(ix)** 1, 3, 9, 27, …….

**(x)** a, 2a, 3a, 4a, …….

**(xi)** a, a2, a3, a4, …….

**(xii)** , , , , …..

**(xiii)** , , , , …..

**(xiv)** 12, 32, 52, 72, ……

**(xv)** 12, 52, 72, 73, ……

**Solution:**

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