Q. 184.8( 4 Votes )

What is the common difference of an AP in which a18 – a14 = 32?
A. 8

B. – 8

C. 4

D. – 4

Answer :

Let a be the first term and d be the common difference.

Given: a18 – a14 = 32

(a + 17d) - (a + 13d) = 32

17 d - 13d = 32

4d = 32

d = 8

d = common difference = 8

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