Q2 of 23 Page 1

Attempt any four of the following sub questions:

Find the term t10 of an A.P.4, 9, 14, ……..

In this A.P., a = 4,

and common difference = d = 9 – 4 = 5


Also, an = a + (n - 1) × d


where an is the nth term of A.P.


⇒ a15 = 4 + (15 - 1) × 5


⇒ a15 = 4 + 14 × 5


⇒ a15 = 74


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