Find the 10th term of an AP whose sequence is 2, 7, 12, .

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Solution

The correct option is C 47
Given sequence is 2, 7, 12,......
Here, 1st term (a) = 2
common difference (d) = 2nd term - 1st term
= 7 - 2
= 5
Given, n = 10
$∵$ nth term of an AP = a + (n-1)d
$∴$ 10th term of the AP = 2 + (10-1) 5
= 2 + 45
= 47

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