Q2 of 23 Page 1

Attempt any four subquestions from the following:

Write the 25th term of an A.P. 12,16,20,24,………….. .

Given: an A.P. 12,16,20,24,…………..

a = 12, d = 16-12 = 4


n = 25


tn = 25th term = ?


as we know,


tn = a + (n-1) d


⇒ tn = 12 + (25 - 1) 4


⇒ tn = 12 + 96


⇒ tn = 108


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