Q1. Express as a rational number with denominator

Q1.
Express
(i)
as a rational number with denominator:
(ii)
Q2.
Arrange the following numbers in ascending order:
Q3.
Arrange the following numbers in descending order:
Q4
Represent
Q5.
Represent
Q6.
What number should be added to
Q7.
The sum of two rational numbers is
Q8.
What number should be subtracted from
Q9.
Subtract:
Q10.
Find the following products:
on the number line.
on the number line.
to get
?
. If one of the numbers is , find the other.
to get
?
from
(i)
(ii)
Q11.
Verify whether the given statements are true or not:
(i)
Q12.
(ii)
Divide the sum of
Q13.
The product of two rational numbers is
and
by the product of
and
.
. If one of the numbers is
, find the
other.
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Q14.
Find three rational numbers between
Q15.
Find three rational numbers between
Q16.
A drum full of rice weights
.
.
. If the empty drum weights
, find the
weight of rice in the drum.
Q17.
A car is moving at an average speed of
in
Q18.
. How much distance will it cover
?
Raju earns
. He spends
on house rent and
of his income on food;
of the remainder
of the remainder on education of children. How much money
is still left with him?
Q19.
After reading
Q20.
Are these pairs forming pair of equivalent rational numbers?
(i)
of a book,
pages are left. How many pages are there in book?
(ii)
Answers
A1.
(i)
(ii)
A2.
A3.
A4.
Here the point
represent
A5.
Here the point
represent
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on the number line.
on the number line.
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A6.
A7.
A8.
A9.
A10.
(i)
(ii)
A11.
(i) False (ii) False
[Hint: Calculate LHS and
RHS then compare.]
A12.
A13.
A14.
A15.
A16.
A17.
A18.
A19.
A20.
(i) No (ii) No, 12/26 and 18/ 39 are not equivalent rational numbers.
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