Q. 294.2( 5 Votes )

The 8th term of an AP is 17 and its 14th term is 29. The common difference of the AP is
A. 3

B. 2

C. 5

D. - 2

Answer :

Given: a8 = 17

a14 = 29

To find: common difference = d

Consider a8 = 17

a + 7d = 17 …………….(1)

Consider a14 = 29

a + 13d = 29 …………….(2)

Subtracting equation (1) from equation (2), we get,

6d = 12

d = 2

Common difference = 2

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