MCQ
Find $t_3=$ ? in an A.P. $9,15,21,27$
  • A
    27
  • 21
  • C
    15
  • D
    9

Answer

Correct option: B.
21
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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