Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7th

# Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Mathematics Term 2 Answers Guide chapter 5 - Information Processing [Latest edition]

#### Chapters ## Chapter 5: Information Processing

Exercise 5.1Exercise 5.2Exercise 5.3
Exercise 5.1 [Pages 92 - 93]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Mathematics Term 2 Answers Guide Chapter 5 Information ProcessingExercise 5.1 [Pages 92 - 93]

Exercise 5.1 | Q 1 | Page 92

Match the given patterns of shapes with the appropriate number pattern and its generalization.

 Column A Column B (i) (a) Sequence: 5, 9, 13, 17 ... General form: y = 4n + 1 (ii) (b) Sequence: 3, 4, 5, 6, ... General form: y = x + 2 (iii) (c) Sequence: 1, 4, 9, 16 ... General form: y = n2 (iv) (d) Sequence: 2, 4, 6, 8 ... General form: y = 2n (v) (e) Sequence: 4, 16, 36, 64 ... General form: y = 4n2

#### Objective type questions

Exercise 5.1 | Q 2 | Page 93

Identify the correct relationship between x andy from the given table.

 x 1 2 3 4 ... y 4 8 12 16 ...
• y = 4x

• y = x + 4

• y = 4

• y = 4 × 4

Exercise 5.1 | Q 3 | Page 93

Identify the correct relationship between x and y from the given table.

 x −2 −1 0 1 2 ... y 6 3 0 −3 −6 ...
• y = −2x

• y = +2x

• y = +3x

• y = −3x

Exercise 5.2 [Page 97]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Mathematics Term 2 Answers Guide Chapter 5 Information ProcessingExercise 5.2 [Page 97]

Exercise 5.2 | Q 1 | Page 97

Complete the Pascal’s Triangle. Exercise 5.2 | Q 2. (i) | Page 97

The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers. Exercise 5.2 | Q 2. (ii) | Page 97

The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers. Exercise 5.2 | Q 2. (iii) | Page 97

The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers. Exercise 5.2 | Q 2. (iv) | Page 97

The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers. Exercise 5.2 | Q 3 | Page 97

Complete the Pascal’s Triangle by taking the numbers 1, 2, 6, 20 as line of symmetry. #### Objective type questions

Exercise 5.2 | Q 4 | Page 97

The elements along the sixth row of the Pascal’s Triangle is

• 1, 5, 10, 5, 1

• 1, 5, 5, 1

• 1, 5, 5, 10, 5, 5, 1

• 1, 5, 10, 10, 5, 1

Exercise 5.2 | Q 5 | Page 97

The difference between the consecutive terms of the fifth slanting row containing four elements of a Pascal’s Triangle is

• 3, 6, 10, …

• 4, 10, 20, …

• 1, 4, 10, …

• 1, 3, 6, …

Exercise 5.2 | Q 6 | Page 97

What is the sum of the elements of nineth row in the Pascal’s Triangle?

• 128

• 254

• 256

• 126

Exercise 5.3 [Page 98]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Mathematics Term 2 Answers Guide Chapter 5 Information ProcessingExercise 5.3 [Page 98]

#### Miscellaneous Practice problems

Exercise 5.3 | Q 1 | Page 98

Choose the correct relationship between x and y from the given table.

 x −2 −1 0 1 2 ... y 4 5 6 7 8 ...
• y = x + 4

• y = x + 5

• y = x + 6

• y = x + 7

Exercise 5.3 | Q 2 | Page 98

Find the triangular numbers from the Pascal’s Triangle and colour them. Exercise 5.3 | Q 3 | Page 98

Write the first five numbers in the third slanting row of the Pascal’s Triangle and find their squares. What do you infer?

#### Challenge Problems

Exercise 5.3 | Q 4. (i) | Page 98

Tabulate and find the relationship between the variables (x and y) for the following patterns. Exercise 5.3 | Q 4. (ii) | Page 98

Tabulate and find the relationship between the variables (x and y) for the following patterns. Exercise 5.3 | Q 5. (i) | Page 98

Verify whether the following hexagonal shapes form a part of the Pascal’s Triangle. Exercise 5.3 | Q 5. (ii) | Page 98

Verify whether the following hexagonal shapes form a part of the Pascal’s Triangle. Exercise 5.3 | Q 5. (iii) | Page 98

Verify whether the following hexagonal shapes form a part of the Pascal’s Triangle. Exercise 5.3 | Q 5. (iv) | Page 98

Verify whether the following hexagonal shapes form a part of the Pascal’s Triangle. ## Chapter 5: Information Processing

Exercise 5.1Exercise 5.2Exercise 5.3 ## Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Mathematics Term 2 Answers Guide chapter 5 - Information Processing

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Concepts covered in Class 7th Mathematics Term 2 Answers Guide chapter 5 Information Processing are Tables and Patterns Leading to Linear Functions, Pascal’s Triangle.

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