## 16. What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?

## 17. The 4^{th} and 7^{th} term of an arithmetic progression are 11 and -4 respectively. What is the 15^{th} term?

^{th}and 7

^{th}term of an arithmetic progression are 11 and -4 respectively. What is the 15

^{th}term?

## 18. The 3^{rd} and 8^{th} term of an arithmetic progression are -13 and 2 respectively. What is the 14^{th} term?

^{rd}and 8

^{th}term of an arithmetic progression are -13 and 2 respectively. What is the 14

^{th}term?

## 19. What is the sum of the first 11 terms of an arithmetic progression if the 3^{rd} term is -1 and the 8^{th} term is 19?

^{rd}term is -1 and the 8

^{th}term is 19?

## 20. What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?

## Read More Section(Progressions)

Each Section contains maximum **70 questions**. To get more questions visit other sections.