Question

If the 8th term of an AP is 31 and the 15th term is 16 more than 11 th term , find the AP

Answer 1

Answer:

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

A+7d =31

a+10d+16=a+14d

10d+16=14d

d=4

31-7*4= a

31-28= a

a=3

3,7,11,15,19...

Answer 2

Answer:

The required AP is 3, 7, 11, 15, ..........

Step-by-step explanation:

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