Q1 of 69 Page 61

Which of the following sequences are A.P. ? If they are A.P. find the common difference.

2, 4, 6, 8, . . .

2, 4, 6, 8, . . .


Here, the first term, a1 = 2


Second term, a2 = 4


a3 = 6


Now, common difference = a2 – a1 = 4 – 2 = 2


Also, a3 – a2 = 6 – 4 = 2


Since, the common difference is same.


Hence the terms are in Arithmetic progression with common difference, d = 2.


More from this chapter

All 69 →
1

Which of the following sequences are A.P. ? If they are A.P. find the common difference.

1

Which of the following sequences are A.P. ? If they are A.P. find the common difference.

– 10, – 6, – 2, 2, . . .

 1

Which of the following sequences are A.P. ? If they are A.P. find the common difference.

0.3, 0.33, .0333, . . .

 1

Which of the following sequences are A.P. ? If they are A.P. find the common difference.

0, – 4, – 8, – 12, . . .