Question

an ap consists of 60terms if the first and the last term be 7 and125 respectively find 32nd term

Answer 1

a=7 l=125 total terms = 60

last term is given by

a+(n-1)d= 125
7+(59)d=125
59d=118
d= 2

so now 32nd term

a+(n-1)d
7+(31)2
7+62
= 69