If 17th term of an AP is 75 and 31st term is 131. Then common difference is

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If 17th term of an AP is 75 and 31st term is 131. Then common difference is

A4

B8

C2

D6

Answer:

A. 4

Read Explanation:

a + 30d = 131.....(1) a + 16d = 75..... (2) (2) - (1) 14d = 56, d=4

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