Samacheer Kalvi Class 7 Maths Term 2 Chapter 5 Information Processing Solutions
Welcome to NCTB Solutions. Here with this post we are going to help 7th class students by providing Solutions for Samacheer Kalvi Class 7 Maths Term 2 chapter 5 Information Processing. Here students can easily find all the solutions for Information Processing Exercise 5.1, 5.2 and 5.3. Also here our Expert Maths Teacher’s solved all the problems with easily understandable methods with proper guidance so that all the students can understand easily. Here in this post students will get chapter 5 solutions. Here all the solutions are based on Tamil Nadu State Board latest syllabus.
Information Processing Exercise 5.1 Solutions :
Objective Type Question Solutions :
(2) Identify the correct relationship between x and y from the given table
| x | 1 | 2 | 3 | 4 | … |
| y | 4 | 8 | 12 | 16 | … |
(i) y = 4x
(ii) y = x + 4
(iii) y = 4
(iv) y = 4 * 4
Solution :
Correct Option → (i)
The correct relationship between x and y from the given table is y = 4x.
(3) Identify the correct relationship between x and y from the given table.
| x | -2 | -1 | 0 | 1 | 2 | . .. |
| y | 6 | 3 | 0 | -3 | -6 | … |
(i) y = -2x
(ii) y = +2x
(iii) y = +3x
(iv) y = -3x
Solution :
Correct Option → (iv)
The correct relationship between x and y from the given table is y = -3x.
Information Processing Exercise 5.2 Solutions :
Objective Type Question Solutions :
(4) The elements along the sixth row of the Pascal’s Triangle is
(i) 1, 5, 10, 5, 1
(ii) 1, 5, 5, 1
(iii) 1, 5, 5, 10, 5, 5, 1
(iv) 1, 5, 10, 10, 5, 1
Solution :
Correct Option → (iv)
The elements along the sixth row of the Pascal’s Triangle is 1, 5, 10, 10, 5, 1.
(5) The difference between the consecutive terms of the fifth slanting row containing four elements of a Pascal’s Triangle is
(i) 3, 6, 10,…
(ii) 4, 10, 20,…
(iii) 1, 4, 10,…
(iv) 1, 3, 6,…
Solution :
Correct Option → (ii)
The difference between the consecutive terms of the fifth slanting row containing four elements of a Pascal’s Triangle is 4,10, 20,…
(6) What is the sum of the elements of nineth row in the Pascal’s Triangle?
(i) 128
(ii) 254
(iii) 256
(iv) 126
Solution :
Correct Option → (iii)
The sum of the elements of ninth row in the Pascal’s Triangle is 256
Information Processing Exercise 5.3 Solutions :
(1) Choose the correct relationship between x and y from the given table
| x | -2 | -1 | 0 | 1 | 2 | … |
| y | 4 | 5 | 6 | 7 | 8 | … |
(i) y = x+4
(ii) y = x + 5
(iii) y = x + 6
(iv) y = x + 7
Solution :
The correct relationship between x and y from the given table is y = x + 6.
(3) Write the first five numbers in the third slanting row of the Pascal’s Triangle and find their squares. What do you infer?
Solution :
1, 3, 6, 10, 15 are five numbers in third slanting rows.
Now, their squares are 1, 9, 36, 100, 225.
Challenge Problem Solutions :
(4) Tabulate and find the relationship between the variables (x and y) for the following patterns.
Solution :
(i)
| Steps (x) | 1 | 2 | 3 | 4 |
| Shapes (y) | 1 | 4 | 9 | 16 |
(ii)
| Steps (x) | 1 | 2 | 3 | 4 | 5 |
| Shapes (y) | 1 | 3 | 5 | 7 | 9 |
(5) Verify whether the following hexagonal shapes form a part of the Pascal’s Triangle.
Solution :
(i) 1 × 13 × 66 = 11 × 1 × 78
(ii) 5 × 21 × 20 = 10 × 6 × 25
(iii) 8 × 45 × 84 = 28 × 9 × 120
(iv) 56 × 210 × 126 = 70 × 84 × 252
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