You are here
Example 3 - Chapter 5 Class 10 Arithmetic Progressions
Last updated at July 20, 2026 by Teachoo
Finding nth term
Chapter 5 Class 10 Arithmetic Progressions
Concept wise
- Checking if AP or not and finding a, d
-
Finding nth term
- Finding n
- Finding AP
- Finding nth term from end
- Divisible/ multiples
- Statement questions - nth term
- Finding sum of n terms
- Finding number of terms given s
- Given nth term finding s
- Statement questions - Sum of n terms
- Determining AP and finding sum
Take a fresh quiz. Then take another.
Every attempt is a new AI-adaptive Teachoo quiz with 5 questions, selected from your answers, mistakes, and progress.
Transcript
Example 3 Find the 10th term of the AP : 2, 7, 12, . . . Given AP 2, 7, 12, ………… We have to find 10th term So, n = 10 Also , a = 2 & d = 7 – 2 = 5 Putting these value in formula an = a + (n – 1)d a10 = 2 + (10 – 1) (5) a10 = 2 + 9 × 5 = 2 + 45 = 47 So, 10th term is 47
