CBSE Class 10 Maths Sum of n Terms of an A.P.

Q.

Find the sum of the first 30 terms in an AP whose 2nd term is 2 and 7th term is 22. 



Q.

Find the sum of the terms 105,112,119, …,994. 



Q.

The sum of the first n odd numbers is 



Determine the terms of an arithmetic progression when given the number of terms, common difference and its first term.