Arithmetic Sequence

   2, 5, 8, 11,.......find the common difference (d)

• 3

• -3

T1 = a
T2 = a + d
T3 = a + d + d = a + 2d 
T5 = a + 4d
T6 = a + 5d
what is Tn ( the n^th  of an Arithmetic Progression )

• Tn = a + nd

• Tn = a + (n-1)d

The 10th term of the AP: 5, 8, 11, 14, ... is

• 32

• 35

• 38

• 25

Which term of the AP: 21, 42, 63, 84,... is 210?

• 9^th

• 10^th

• 11^th

• 12^th 

which sequence out of the given are in Arithmetic Progression ?

• 3,4,5,7,11.......

• 16,13,10,7,............

• 5,3,1,0,-1........

• 0,1,2,3,7........

T1 = a
T2 = a + d
T3 = a + d + d = a + 2d 
what is T5

• T5= a + 5d

• T5 = a + 4d

If an AP...3, 5, 7.....103
How many terms are there

• 50

• 51

Find the values of a in the following arithmetic sequence

5, 9, a, 17, 21

Find the nth term of the following sequence

7, 9, 11, 13, 15

Find the values of a in the following arithmetic sequence

1, 6, a, 16, 21