`-4,-3,-2`,………….Is the sequence an `A.P.` ? If so find the common difference.

-10,+10,-10,+10 ,……………Is the sequence an A.P. ? If so, find the common difference.

The general term of a sequence is given by a_(n)=-4n+15. Is the sequence an Avec P. If so,find its 15th term and the common difference.

We are given an A.P. with Ist terma and common difference d. (i) If each of its terms is increased by the same quantity k, is the resulting progression also an A.P.? If so find its common difference. (ii) If each of the terms is multiplied by the same number c. is the resulting progresssion also an A.P. ? If so, find its common difference.

Which of the following sequences is an A.P.? If they are A.P., find the common difference. 2,(5)/(2),3,(7)/(2)...

Solve the following questions. (i) Check whether the sequence -3, -1,1,3 ,…. Is an A.P. If it is an A.P., find the common difference. (ii) If the 7th term of an A.P. is 40, then find S_(13) .

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. -10,-6,-2,2,……….

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

Check whether the sequence 7,12, 17, 22,……….. Is an A.P., find the common difference.

Each term of an A.P. is doubled,. Is the resulting sequence also an A.P.? If it is write its first term, common difference and nth term.