Arithmetic Progression

If the common difference of an AP is 5, then what is a₁₈ – a₁₃ ?

• 5

• 15

• 25

• 10

Choose the correct answer from the given four options:
In an AP, if a = 3.5, d = 0, n =101 ,then a_n will be 

• 0

• 3.5

• -3.5

• 1

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

• 32

• 35

• 38

• 25

Choose the correct answer from the given four options:
In an AP if a = –7.2, d = 3.6, a_n = 7.2, then n

• 2

• 3

• 4

• 5

• 315

• 330

• 345

• 360

The 21st term of the AP whose first two terms are –3 and 4 is

• 17

• 137

• -137

• 127

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

• 9^th

• 10^th

• 11^th

• 12^th 

What is the common difference of an AP in which a₁₈ – a₁₄ = 32?

• 4

• 6

• 8

• 10

If the 2nd term of an AP is 13 and the 5th term is 25, the common difference is 

• 12

• 4

• 3

• 5