Geometric Series Quiz 1

Question 1

Three numbers are in GP, what will be the value of GM, if the product of first number and third number is equal to the nine times of second number?

Accepted Answer

9

Answer

3

Answer

18

Answer

None of these

Question 2

Three numbers are in GP, what will be the possible value of common ratio if the sum of third and first term is 2.5 times of the value of second term?

Accepted Answer

Both a and c

Answer

2

Answer

1

Answer

$$\dfrac{1}{2}$$

Question 3

Three numbers are in GP, when the square root of product of two extreme numbers is multiplied to the second number, we get 81. determine the value of GM.

Accepted Answer

9

Answer

3

Answer

18

Answer

None of these

Question 4

What will be the product of five terms of a GP if the product of the second and fourth term of the progression is 64?

Accepted Answer

32768

Answer

30564

Answer

28556

Answer

None of these

Question 5

Determine the sum of GP $$\dfrac{1}{3},\dfrac{2}{9},\dfrac{4}{{27}},\dfrac{8}{{81}}...$$?

Accepted Answer

1

Answer

2

Answer

100

Answer

Cannot be determined