List of top Mathematics Questions on Arithmetic Progression asked in BITSAT

What is the sum of the first 10 terms of the arithmetic progression with first term 3 and common difference 2?
The sum of the first 30 terms of an arithmetic progression is 930. If the first term is 2, what is the common difference of the progression?
The 5th term of an AP is 20 and the 12th term is 41. Find the first term.
If the sum of the first $ n $ terms of an arithmetic progression is given by $ S_n = 3n^2 + 5n $, find the first term $ a $ and common difference $ d $.
The sum of the first 20 terms of the arithmetic progression 7, 10, 13, ... is: