Question

1. Which of the following is the 65th term in the sequence 8, 5, 2,-1,

A.-184
B. -186
C. -190
D. -195​

Answer 1

-184

Explanation:

8,5,2,-1...

a=first term=8

Common difference=T2-T1=T3-T2=T4-T3

5-8=2-5=-1-2=-3

T65=a+64d

T65=8+64(-3)

T65=8-192

T65=-184