Choose the correct answer from the given four options in the following questions: If the 2nd term of an AP is 13 and the 5th term is 25, what is its 7th term?
(A) 30 (B) 33 (C) 37 (D) 38

Solution:

Option (B) 33 is the correct option.

Explanation:

It is known that the AP’s nth term is

In which,

first term = a

nth term = a_n

common difference = d

…..(1)

…… (2)

From eq. (1) we have,

Using this in eq. (2), we have