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1. Question 1.
Express each of the following as a rational number of the form (frac { p }{ q }
,) where p and q are integers and q≠ 0 :
Solution:
Question 2.
Find the values of each of the following
Solution:

2. Question 3.
Find the values of each of the following :
Solution:

3. Question 4.
Simplify :

4. Solution:
Question 5.
Simplify :

5. Solution:
Question 6.
By what number should 5-1
be multiplied so that the product may be equal to(-
7)-1
?
Solution:

6. Question 7.
By what number should ({ left( frac { 1 }{ 2 } right) }^{ -1 }) multiplied so that
the product many be equal to ({ left( frac { -4 }{ 7 } right) }^{ -1 })
Solution:
Question 8.
By what number should (-15)-1
be divided so that the quotient may be equal to
(-5)-1
?
Solution: