Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Additional Questions
Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Additional Questions
Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 2 Chapter 5 Information Processing Additional Questions
Additional Questions and Answers
Exercise 5.1
Question 1.
Find the relationship between x and y if
Solution:
The relationship between x and y is y = -5x
Question 2.
Find the relationship between x and y if
Solution:
The relationship between x andy is y = 3x + 2
Exercise 5.2
Question 1.
Find the sum of the elements of Pascal’s triangle and find the relationship between the numbers obtained.
Solution:
Pascal’s triangle with sum of elements is given by
The numbers formed are 1, 2, 4, 8, 16, 32, 64, …………..
They can be written as 20, 21, 22, 23, 24, 25, 26, …………..
So they are the powers of base 2
The relationship is given by 2x-1 if x represents the row.
Exercise 5.3
Question 1.
If the following numbers are taken from Pascal’s triangle find the missing numbers.
- 9, 1, _____ = 45, 1, 11
- 1, 6, _____ = 1, 4, 15
- 21, 8, 1 = _____, 6, 28
Solutions:
- 55
- 10
- 1
The Complete Educational Website