In this page we have Rational numbers class 8 important questions . Hope you like them and do not forget to like , social share
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Question 1
Write the additive inverse of each of the following:
Question 8
The product of two rational number is 2 , if one of the rational number is 1/7 ,what is the value of other? Solution
Let a be the other number, then
$a \times \frac {1}{7} =2$
Or
$a= 2 \div \frac {1}{7}$
$a=2 \times 7=14$
Question 11 Fill in the blanks
(i) ____ ÷ (-3)= (-4/15)
(ii) The numbers __________ and __________ are their own reciprocals
(iii) The reciprocal of 1 is __________.
(iv) (1/2) ÷ (2/3) =__________.
(v) The product of two rational numbers is always a __________.
(vi) The reciprocal of a negative rational number is __________. Solution
4/5
1 and -1
1
3
Rational Number
Negative rational number
Question 12
Write five rational numbers which are smaller than 5 Solution
Answer:
0,1,2,3,4
Question 13
Find five rational numbers between (1) and 2 Solution
We can write as
$1= \frac {10}{10}$
$2= \frac {20}{10}$
So five rational numbers will be
11/10, 12/10, 13/10,14/10,15/10
Question 14
A car travels a distance 50/3 km in 1/6 hours. What is the speed of the Car? Solution
This Rational numbers class 8 important questions is prepared keeping in mind the latest syllabus of CBSE . This has been designed in a way to improve the academic performance of the students. If you find mistakes , please do provide the feedback on the mail.
