MCQ
Find $t_3=$ ? in an A.P. $9,15,21,27$
- A27
- B21
- C15
- D9
✓
Answer
21
Explanation:
A.P. 9, 15, 21, 27, ...(Given)
$t_1=9, t_2=15, t_3=21, t_4=27$
$\therefore \mathrm{t}_3=21$
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