Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Ex 5.2

You can Download Samacheer Kalvi 7th Maths Book Solutions Guide Pdf, Tamilnadu State Board help you to revise the complete Syllabus and score more marks in your examinations.

Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Ex 5.2

Question 1.
Complete the Pascal’s Triangle.
Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Ex 5.2 1
Solution:
Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Ex 5.2 4

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Question 2.
The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers.
Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Ex 5.2 2
Solution:
Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Ex 5.2 5

Question 3.
Complete the Pascal’s Triangle by taking the numbers 1,2,6,20 as line of symmetry.
Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Ex 5.2 3
Solution:
Corresponding numbers are equal about the line of symmetry.
Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Ex 5.2 6

Objective Type Questions

Question 1.
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
Answer:
(iv) 1,5,10,10,5,1

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Question 2.
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,…
Answer:
(ii) 4,10,20,…

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Question 3.
What is the sum of the elements of ninth row in the Pascal’s Triangle?
(i) 128
(ii) 254
(iii) 256
(iv) 126
Answer:
(iii) 256

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