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Arithmetic Progression - 1
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If a + 1, 3a, 4a + 2 are in AP, then the value of a is
AnswerClick to flip back
A
3
💡 Explanation:
a + 1, 3a, 4a + 2 are in AP.
If a, b, c are in AP, then 2b = a + c.
Therefore, 2(3a) = a + 1 + 4a + 2
6a = 5a + 3
6a – 5a = 3
a = 3