Sequences and Series - AP and GP Combined

The two geometric means between the numbers 1 and 64 are

• 1, 64

• 4, 16

• 2, 16

• 8, 16

Tags

CCSS.8.EE.A.2

Insert three arithmetic means between 23 and 7.

• 20, 16, 12

• 19, 15, 11

• 18, 14, 10

• none of these

Tags

CCSS.HSF.BF.A.2

 If the sum of n terms of an AP is given by $S_n=2n^2+3n$  then its common difference is

• 3

• 4

• 5

• 6

Tags

CCSS.HSF.BF.A.2

If the 5th term of a GP is 2, the product of its first nine terms is

• 256

• 128

• 512

• none of these

Tags

CCSS.HSA.SSE.B.4

If 2nd, 3rd and 6th terms of an AP are the three consecutive terms of a GP then find the common ratio of the GP.

• 3

• 4

• 5

• 6

Tags

CCSS.HSF.BF.A.2

What is geometric mean of 4 and 9?

• 5
• 6
• 7
• 8

Insert three arithmetic means between 22 and 42.

• 24, 29 34

• 25, 30, 35

• 26, 31, 36

• 27, 32, 37

Tags

CCSS.HSF.BF.A.2