An A.P. consists of 60 terms. If the first and the last terms be 7 and 125 respectively, find 32nd term.

n =60, a=7, a60 =l =125

a60 = a + 59d


125 = 7 + 59d


d=


d=2


a32= a + 31d


= 7 + 31(2)


=69


Hence, 32th term is 69 in the given A.P.


17