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Question
The 8th term of an AP is 17 and its 14th term is 29. The common difference of the AP is ______.
Options
3
2
5
–2
MCQ
Fill in the Blanks
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Solution
The 8th term of an AP is 17 and its 14th term is 29. The common difference of the AP is 2.
Explanation:
(T14 – T8) = (29 – 17) = 12
⇒ (a + 13d) – (a + 7d) = 12
⇒ 6d = 12
⇒ d = `12/6`
⇒ d = 2
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