Chapter 11 - Geometric Progression Exercise Ex. 11(A)

Question 1(i)

Find which of the following sequence form a G.P.:

8, 24, 72, 216………

Solution 1(i)

Question 1(ii)

Find which of the following sequence form a G.P.:

Solution 1(ii)

Question 1(iii)

Find which of the following sequence form a G.P.:

9, 12, 16, 24, …….

Solution 1(iii)

Question 2

Find the 9^th term of the series:

1, 4, 16, 64,……

Solution 2

Question 3

Find the seventh term of the G.P:

 

Solution 3

Question 4

Solution 4

Question 5

Solution 5

Question 6

Find the nth term of the series:

1, 2, 4, 8, ……..

Solution 6

Question 7

Solution 7

Question 8

Find the sixth term of the series:

2², 2³, 2⁴,………….

Solution 8

Question 9

Solution 9

Question 10

Find the G.P. whose first term is 64 and next term is 32.

Solution 10

Question 11

Solution 11

Question 12

Find the next two terms of the series:

2, - 6, 18, - 54 ……

Solution 12

Given series: 2, - 6, 18, - 54 ……