Arithmetic progression | class 10 | Exercise 5.1 |

Arithmetic progression class 10 || Basic introduction

Q5 exercise- 2.1

The sum of the fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first 15 terms of the arithmetic progression?

The sum of the first fifteen terms of an arithmetical progression is 105 and the sum of the next fifteen terms is 780. Find the first three terms of the arithmetical progression,.

Determine the arithmetic progression whose 3rd term is 5 and 7th term is 9.

The number of ways in which three numbers in arithmetic progression can be selected from {1, 2, 3, ………., 50} is

Define an arithmetic progression.