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
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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
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