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MCQ
Choose the correct alternative answer for the following sub-question
Find t3 = ? in an A.P. 9, 15, 21, 27, ...
Options
27
21
15
9
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Solution
21
Explanation:
A.P. 9, 15, 21, 27, ...(Given)
t1 = 9, t2 = 15, t3 = 21, t4 = 27
∴ t3 = 21
Concept: Arithmetic Progression
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