Question

Pls answer this question of A.P.

Answer 1

12n-100<0

12n<100

n<8.33

=>

$n \leqslant 8$

so the 9th term will be first negative term ☺️

(ii)

12n-100<200

12n<300

=> n<25

so there are 24 terms less than 200☺️

I hope it helps☺️