#### Chapters

Chapter 2: Banking (Recurring Deposit Account)

Chapter 3: Shares and Dividend

Chapter 4: Linear Inequations (In one variable)

Chapter 5: Quadratic Equations

Chapter 6: Solving (simple) Problems (Based on Quadratic Equations)

Chapter 7: Ratio and Proportion (Including Properties and Uses)

Chapter 8: Remainder and Factor Theorems

Chapter 9: Matrices

Chapter 10: Arithmetic Progression

Chapter 11: Geometric Progression

Chapter 12: Reflection

Chapter 13: Section and Mid-Point Formula

Chapter 14: Equation of a Line

Chapter 15: Similarity (With Applications to Maps and Models)

Chapter 16: Loci (Locus and Its Constructions)

Chapter 17: Circles

Chapter 18: Tangents and Intersecting Chords

Chapter 19: Constructions (Circles)

Chapter 20: Cylinder, Cone and Sphere

Chapter 21: Trigonometrical Identities

Chapter 22: Height and Distances

Chapter 23: Graphical Representation

Chapter 24: Measure of Central Tendency(Mean, Median, Quartiles and Mode)

Chapter 25: Probability

#### Selina Selina ICSE Concise Mathematics Class 10 (2018-2019)

## Chapter 11: Geometric Progression

#### Chapter 11: Geometric Progression Exercise 11A solutions [Pages 191 - 194]

Find, which of the following sequence from a G.P. :

8, 24, 72, 216,................

Find, which of the following sequence from a G.P. :

`1/8, 1/24, 1/72, 1/216,`................

Find, which of the following sequence from a G.P. :

9, 12, 16, 24,................

Find the 9^{th} term of the series :

1, 4, 16, 64, ..........................

Find the seventh term of the G.P. :

`1, sqrt3, 3, 3sqrt3`............

Find the 8^{th} term of the sequence:

`3/4, 1 1/2, 3,..............`

Find the 10^{th} term of the G.P. :

`12, 4,1 1/3,................`

Find the n^{th} term of the series:

1, 2, 4, 8, .......................

Find the next three tearms of the sequence :

`sqrt5, 5, 5sqrt5`....................

Find the sixth term of the series :

2^{2}, 2^{3}, 2^{4},...................

Find the seventh term of the G.P. :

`sqrt3 + 1, 1, (sqrt3-1)/2`,.........

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

Find the next three terms of the series:

`2/27, 2/9, 2/3,..............`

Find the next two terms of the series :

2 - 6 + 18 - 54............

#### Chapter 11: Geometric Progression Exercise 11B solutions [Pages 194 - 197]

Which term of the G.P. :

`-10, 5/sqrt3, -5/6,...........` is `-5/72`?

The fifth term of a G.P. is 81 and its second term is 24. find the geometric progression.

Fourth and seventh terms of a G.P. are `1/18` and `-1/486` respectively. Find the G.P.

If the first and the third terms of a G.P. are 2 and 8 respectively. find its second term.

The product of 3^{rd} and 8^{th} terms of a G.P. is 243. If its 4^{th} term is 3, find its 7^{th} term.

Find the Geometric progression with 4^{th} term = 54 and 7^{th} term = 1458.

Second term of a Geometric Progression is 6 and its fifth term is 9 times of its third term. Find the geometric progression. Consider that each term of the G.P. is positive.

The fourth term, the seventh term and the last term of a geometric progression are 10, 80 and 2560 respectively, Find its first term, common ratio and number of term.

If the 4^{th} and 9^{th} terms of a G.P. are 54 and 13122 respectively, find the G.P. Also, find its general term.

The fifth, eight and eleventh terms of a geometric progression are p, q and r respectively. show that : q^{2} = pr.

#### Chapter 11: Geometric Progression Exercise 11C solutions [Pages 0 - 197]

Find the seventh term from the end of the series :

`sqrt2, 2, 2sqrt2,.......,32.`

Find the third term from the end of the G.P.

`2/27, 2/9, 2/3,.........162`

For the G.P. `1/27, 1/9, 1/3,......81`;

find the product of fourth term from the beginning and the fourth term from the end.

If for a G.P., p^{th}, q^{th} and r^{th} terms are a, b and c respectively ; prove that: (q - r) log a + (r - p) log b + (p + q) log c = 0

#### Chapter 11: Geometric Progression Exercise 11D solutions [Page 0]

Q 1.1

Q 1.2

Q 5.1

Q 5.2

#### Chapter 11: Geometric Progression Exercise 11E solutions [Page 0]

Q 1.1

Q 1.2

Q 1.3

Q 1.4

Q 1.5

Q 1.6

Q 10.1

Q 10.2

Q 10.3

Q 10.4

Q 11

Q 12

#### Chapter 11: Geometric Progression Exercise 11F solutions [Page 0]

Q 1.1

Q 1.2

Q 1.3

Q 1.4

Q 1.5

Q 3.1

Q 3.2

Q 3.3

Q 3.4

Q 3.5

#### Chapter 11: Geometric Progression Exercise 11G, 11F solutions [Page 0]

Q 1.1

Q 1.2

Q 1.3

Q 3.1

Q 3.2

Q 3.3

Q 10

## Chapter 11: Geometric Progression

#### Selina Selina ICSE Concise Mathematics Class 10 (2018-2019)

#### Textbook solutions for Class 10

## Selina solutions for Class 10 Mathematics chapter 11 - Geometric Progression

Selina solutions for Class 10 Maths chapter 11 (Geometric Progression) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Selina ICSE Concise Mathematics for Class 10 (2018-2019) solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 10 Mathematics chapter 11 Geometric Progression are Geometric Progression - Finding Their General Term., Geometric Progression - Finding Sum of Their First āNā Terms, Simple Applications - Geometric Progression.

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