Find the $20^{t h}$ term of the AP 2, 5, 8, 11, 14 ,...

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Solution

The correct option is C
59

2, 5, 8, 11, 14 ,...

$∵$ n $^{t h}$ term of an AP is a + (n-1)d

Here, a = 2 & d = 8-5 = 3

$∴ 20^{t h}$ term = 2 + (20-1)3
= 2+ (19 $\times$ 3)
= 59

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