Question

11. 6th term from the last of the A.P 15,20,25,...,85 is:

Answer 1

Answer:

A.P=17,14,11

Firstterm=17

Commondifference=14−17=−3

Lastterm=−40

∴6thtermfromtheend=l−(6−1)d

=−40−(s)×−3

=−40+15=−25Ans.

Answer 2

Answer:

I have pinned the answer image, you can check it

Hope you may get it

Mark as brainliest

Thank You...