Question

If the $$n$$th term of an A.P. is given by $$(3n + 2)$$, then the sum of its first three terms is ______.

विकल्प

• $$21$$

• $$24$$

• $$27$$

• $$32$$

Answer 1

If the $$n$$th term of an A.P. is given by $$(3n + 2)$$, then the sum of its first three terms is 24.

Explanation:

The first three terms are $$5, 8, 11$$, whose sum is $$5 + 8 + 11 = 24$$.