CBSE Class 10 Maths Word Problems of A.P.

Q.

Find the sum of all 11 terms of an AP whose middle-most term is 30.



Q.

If n = 7, a = 550 and d = 25, then S7is



Q.

Rita saved Rs. 5 in the first week of the year and then increased her weekly savings by Rs. 1.75 each week. In what week will her weekly savings be Rs.20.75?



This video explains the concept of the nth term and the sum of the first n term of an arithmetic progression.