5.Arithmetic Progression Quiz

What is the common difference in an arithmetic progression?

• a

• d

• a+d

• a+2d

What is the general form of an arithmetic progression?

• a+3d

• a+d

• a, a+d, a+2d, a+3d..........

• a+2d

What is the formula for finding the n-th term in an arithmetic progression?

• A_n = a + (n-1) d

• A_n = a + (n+1) d

• A_n = a - (n-1) d

• A_n = a + n d

What is the sum of the first n terms of an arithmetic progression?

• S = n[2a + (n-3) d]

• S = n[2a + (n-2) d]

• S = n[2a + (n+1) d]

• S = n[2a + (n-1) d]

What is the formula for finding the sum of all terms of an arithmetic progression?

• S = n(a * l)

• S = n(a - l)

• S = n(a / l)

• S = n(a + l)

In an AP, if the first term is 3 and the common difference is 5, what is the 5th term?

• 28

• 23

• 18

• 33

What is the common difference in the AP: 2, 5, 8, 11, 14, ...?

• 3

• 2

• 4

• 5

If the sum of the first 4 terms of an AP is 40 and the common difference is 3, what is the first term?

• 10

• 9

• 7

• 8

What is the 10th term in the AP: 1, 4, 7, 10, ...?

• 30

• 29

• 28

• 31

If the sum of the first 6 terms of an AP is 72 and the first term is 5, what is the common difference?

• 10

• 12

• 11

• 13