Arithmetic Means and Arithmetic Series

Find the arithmetic means between 12 and 30

• 20

• 21

• 22

• 23

Find the arithmetic means between 25 and 35.

• 20

• 25

• 30

• 35

What is the arithmetic means between x and x+12

• x + 2

• x+ 3

• x+4

• x+6

Insert two arithmetic means between 50 and 62.

• 52,54

• 54,58

• 56,58

• 58,60

The arithmetic mean between two terms in an arithmetic sequence is 42. If one term is 30, what is the other term?

• 50

• 52

• 54

• 56

Insert three arithmetic means between -37 and -17.

• -32,-27,-22

• -30.-25,-27

• -25,-27,-29

• -20,-24,-26

Find the sum of the first 30 even integers.

• 920

• 930

• 940

• 950

What is the sum of 40+50+60....S₁₀ ^?

• 750

• 850

• 900

• 950

What is the sum of 4+8+12+16+…........S₈?

• 140

• 142

• 143

• 144

What is the sum of 7+9+11+13....S₁₂^?

• 216

• 218

• 219

• 220