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Choose the correct alternative answer for the following sub-question Find t3 = ? in an A.P. 9, 15, 21, 27, ... - Algebra

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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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