which term of an AP 3,15,27,39............ will 132 more than its 54th term
a = 3
d = 15 - 3 = 12
an = a + (n-1)d
a54 + 132 = 32 + 53 * 12 + 132
= 32 + 636 + 132 = 800
an = 800
800 = 32 + (n-1) 12
768 = (n-1)12
n-1 =738 / 12 = 64
n = 64 + 1 = 65
therefore , 65th term is 132 more than 54th term