MEDIUM
11th CBSE
IMPORTANT
Earn 100

Find the sum of the following series:

0.5+0.55+0.555+...to n terms.

Important Questions on Geometric Progressions

MEDIUM
11th CBSE
IMPORTANT
MATHEMATICS for CLASS XI>Chapter 20 - Geometric Progressions>EXERCISE 20.3>Q 4

Find the sum of the following series:

0.6+0.66+0.666+.... to n terms.

EASY
11th CBSE
IMPORTANT
MATHEMATICS for CLASS XI>Chapter 20 - Geometric Progressions>EXERCISE 20.3>Q 5
How many terms of the G.P. 3, 32, 34, .... be taken together to make 3069512?
EASY
11th CBSE
IMPORTANT
MATHEMATICS for CLASS XI>Chapter 20 - Geometric Progressions>EXERCISE 20.3>Q 6
How many terms of the series 2+6+18+... must be taken to make the sum equal to 728?
EASY
11th CBSE
IMPORTANT
MATHEMATICS for CLASS XI>Chapter 20 - Geometric Progressions>EXERCISE 20.3>Q 7
How many terms of the sequence 3,3,33,… must be taken to make the sum 39+133?
EASY
11th CBSE
IMPORTANT
MATHEMATICS for CLASS XI>Chapter 20 - Geometric Progressions>EXERCISE 20.3>Q 8
The sum of n terms of the G.P.  3, 6, 12,... is 381. Find the value of n.
EASY
11th CBSE
IMPORTANT
MATHEMATICS for CLASS XI>Chapter 20 - Geometric Progressions>EXERCISE 20.3>Q 9
The common ratio of a G.P. is 3 and the last term is 486. If the sum of these terms be 728, find the first term.
EASY
11th CBSE
IMPORTANT
MATHEMATICS for CLASS XI>Chapter 20 - Geometric Progressions>EXERCISE 20.3>Q 10
The ratio of the sum of first three terms is to that of first 6 terms of a G.P. is 125:152. Find the common ratio.
MEDIUM
11th CBSE
IMPORTANT
MATHEMATICS for CLASS XI>Chapter 20 - Geometric Progressions>EXERCISE 20.3>Q 11
The 4th and 7th terms of a G.P. are 127 and 1729 respectively. Find the sum of n terms of the G.P.