Find out which of the following terms are in A.P and if yes then find the common difference

Which of the following seqences are A.P .? If they are A.P. find the common difference. 0,-4,-8,-12 ………..

Which of the following seqences are A.P .? If they are A.P. find the common difference. 0.3 , 0.33 , 0.333 ,……..

Which of the following seqences are A.P .? If they are A.P. find the common difference. -10,-6,-2,2,……….

The sum of n terms of an A.P is n^2 .Find the common difference.

Which of the following sequences are A.P.? If they A.P. find the common difference. 2,4,6,8…..

Which of the following squences are A.P.? If they are A.P. find the common difference 127, 132, 137, …

Which of the following squences are A.P.? If they are A.P. find the common difference - 1/5, - 1/5, -1/5, …

Which of the following squences are A.P.? If they are A.P. find the common difference. 2,4,6,8,…

Which of the following squences are A.P.? If they are A.P. find the common difference 0.3,0.33,0.333, …