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

## Chapter 11: Geometric Progression

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

11A | Q 1.1 | Page 191

Find, which of the following sequence from a G.P. :
8, 24, 72, 216,................

11A | Q 1.2 | Page 191

Find, which of the following sequence from a G.P. :
1/8, 1/24, 1/72, 1/216,................

11A | Q 1.3 | Page 191

Find, which of the following sequence from a G.P. :
9, 12, 16, 24,................

11A | Q 2 | Page 192

Find the 9th term of the series :
1, 4, 16, 64, ..........................

11A | Q 3 | Page 192

Find the seventh term of the G.P. :
1, sqrt3,  3,  3sqrt3............

11A | Q 4 | Page 192

Find the 8th term of the sequence:
3/4, 1 1/2, 3,..............

11A | Q 5 | Page 192

Find the 10th term of the G.P. :
12, 4,1 1/3,................

11A | Q 6 | Page 193

Find the nth term of the series:
1, 2, 4, 8, .......................

11A | Q 7 | Page 193

Find the next three tearms of the sequence :
sqrt5, 5, 5sqrt5....................

11A | Q 8 | Page 193

Find the sixth term of the series :
22, 23, 24,...................

11A | Q 9 | Page 193

Find the seventh term of the G.P. :
sqrt3 + 1, 1, (sqrt3-1)/2,.........

11A | Q 10 | Page 193

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

11A | Q 11 | Page 193

Find the next three terms of the series:
2/27, 2/9, 2/3,..............

11A | Q 12 | Page 194

Find the next two terms of the series :
2 - 6 + 18 - 54............

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

11B | Q 1 | Page 194

Which term of the G.P. :
-10, 5/sqrt3, -5/6,........... is -5/72?

11B | Q 2 | Page 194

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

11B | Q 3 | Page 194

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

11B | Q 4 | Page 195

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

11B | Q 5 | Page 195

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

11B | Q 6 | Page 195

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

11B | Q 7 | Page 195

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.

11B | Q 8 | Page 196

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.

11B | Q 9 | Page 196

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

11B | Q 10 | Page 197

The fifth, eight and eleventh terms of a geometric progression are p, q and r respectively. show that : q2 = 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., pth, qth and rth 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

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## 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.

Further, we at Shaalaa.com are providing such solutions so that students can prepare for written exams. Selina textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

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

Using Selina Class 10 solutions Geometric Progression exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 10 prefer Selina Textbook Solutions to score more in exam.

Get the free view of chapter 11 Geometric Progression Class 10 extra questions for Maths and can use Shaalaa.com to keep it handy for your exam preparation

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