Question

hi friends please help me in these options. This is 10th class maths arithmetic progressions. I will mark them as Brainlist who gives me all the correct options ​

Answer 1

Answer:

9 . b 10th term is 210

10. a : -320

11. not clear

12. a - 45

13. b- 4th last term is 40

14. c - 7

15. not sure p=6 X

16. b - 21st term is 137

17. c- nth term is 4n+3

18. d - a+b = 15

20. c : -2 , -4 , -6 , -8