Question 41
The negative of a negative rational number is always a ___ rational number.

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Solution

Positive
Let x be a positive rational number
Then, - x be a negative rational number.
Now, negative of a negative rational number = - (- x) = x
= positive rational number.

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Question 10
Multiplicative inverse of a negative rational number is:
(a) a positive rational number.
(b) a negative rational number.
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(d) 1

Question 10
Multiplicative inverse of a negative rational number is:
(a) a positive rational number.
(b) a negative rational number.
(c) 0
(d) 1

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