Exercise 5.2 - Chapter 5 Information Processing Term 2 7th Maths Guide Samacheer Kalvi Solutions - SaraNextGen [2024-2025]

Updated By SaraNextGen

On April 24, 2024, 11:35 AM

Ex $5.2$
Question $1 .$
Complete the Pascal's Triangle.

Question 2.

The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers.

Question $3 .$
Complete the Pascal's Triangle by taking the numbers 1,2,6,20 as line of symmetry.

Solution:
Corresponding numbers are equal about the line of symmetry.

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) $1,5,10,10,5,1$
 

Question $2 .$
The difference between the consecutive terms of the fifth slanting row containing four elements of a Pascal's Triangle is
(i) $3,6,10, \ldots$
(ii) $4,10,20, \ldots$
(iii) $1,4,10, \ldots$
(iv) $1,3,6, \ldots$
Answer:
(ii) $4,10,20, \ldots$
 

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