(i) Which term of the A.P. 
is 248?
a = 3, d = 5
An= a + (n – 1) d
248 = 3 + (n – 1) 5 = 3 + 5n – 5
248 = -2 + 5n
250 = 5n
n = 50
2
(i) Which term of the A.P. is 248?
a = 3, d = 5
An= a + (n – 1) d
248 = 3 + (n – 1) 5 = 3 + 5n – 5
248 = -2 + 5n
250 = 5n
n = 50