Chapter 9 Rational Numbers
Very Short Answer Type
Solution:
Solution:
Solution:
Question 5.
Find the sum of
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Question 6.
Subtract:
Solution:
Question 7.
Find the product:
Solution:
Short Answer Type
Solution:
Let the required rational number be x.
Question 9.
Arrange the following rational numbers in ascending order.
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Question 10.
Insert five rational numbers between:
Solution:
Long Answer Type
Question 11.
Evaluate the following:
Solution:
Solution:
Question 13.
Solution:
We have
Solution:
Higher Order Thinking Skills (HOTS) Type
Question 16.
Question 17.
Simplify:
Solution:
Using BODMAS rule, we have
2.3 – [1.89 – {3.6 – (2.7 – 0.77)}]
= 2.3 – [1.89 – {3.6 – 1.93}]
= 2.3 – [1.89 – 1.67]
= 2.3 – 0.22
= 2.08
Question 18.
Solution:
Using BODMAS rule, we have
