In an AP, where the first term is 7 and the common difference is 4, find the 5th term.

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Solution

The correct option is C 23
Given $a = 7$ and $d = 4$ , then $a_{5} = 7 + (5 - 1) 4$
$a_{5} = 7 + 16$
$a_{5} = 23$

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