Question

Which of the following list of number form an A.P
a)2, 4, 5, 8
b) 3, 5, 7, 11
c)3.5, 5, 6.5, 8
d)1, 4, 9, 16
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Answer 1

Answer:

l think 1,4,9,6 answer of these question

Answer 2

Answer:

b is correct answer

Step-by-step explanation:

3= first term , 5 = second term

common difference = second term - first term

5 - 3 = 2

hence the common difference is same in every term so it is in a.p