Question

consider 11,15,19...........327 how many terms are there please give answer i will follow you back and give 5 thanks ​

Answer 1

Answer:

11,15,19,.........,327.

First term=a=11.

Common difference=d=a2-a1=15-11=4.

an=a+(n-1)d.

327=11+(n-1)(4).

327=11+4n-4.

327=7+4n.

327-7=4n.

320=4n.

n=320/4.

n=80.

So, there are 80 terms.

I think this is your answer.