NCERT Exemplar Mathematics - Class 8>Chapter 1 - Rational Numbers>Exercise>Q 92

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IMPORTANT

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The negative of a negative rational number is a positive rational number.

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Important Questions on Rational Numbers

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NCERT Exemplar Mathematics - Class 8>Chapter 1 - Rational Numbers>Exercise>Q 93

If

x

and

y

are two rational numbers such that

x > y

, then

x - y

is always a positive rational number.

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NCERT Exemplar Mathematics - Class 8>Chapter 1 - Rational Numbers>Exercise>Q 94

0

is the smallest rational number.

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NCERT Exemplar Mathematics - Class 8>Chapter 1 - Rational Numbers>Exercise>Q 95

Every whole number is an integer.

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NCERT Exemplar Mathematics - Class 8>Chapter 1 - Rational Numbers>Exercise>Q 96

Every whole number is a rational number.

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NCERT Exemplar Mathematics - Class 8>Chapter 1 - Rational Numbers>Exercise>Q 97

0

is whole number but it is not a rational number.

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NCERT Exemplar Mathematics - Class 8>Chapter 1 - Rational Numbers>Exercise>Q 98

The rational numbers

\frac{1}{2}

and

- \frac{5}{2}

are on the opposite sides of

0

on the number line.

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NCERT Exemplar Mathematics - Class 8>Chapter 1 - Rational Numbers>Exercise>Q 99

Rational numbers can be added (or multiplied) in any order

\frac{- 4}{5} \times \frac{- 6}{5} = \frac{- 6}{5} \times \frac{- 4}{5}

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NCERT Exemplar Mathematics - Class 8>Chapter 1 - Rational Numbers>Exercise>Q 100

Solve the following: Select the rational numbers from the list which are also the integers.

\frac{9}{4}, \frac{8}{4}, \frac{7}{4}, \frac{6}{4}, \frac{9}{3}, \frac{8}{3}, \frac{7}{3}, \frac{6}{3}, \frac{5}{2}, \frac{4}{2}, \frac{3}{1}, \frac{3}{2}, \frac{1}{1}, \frac{0}{1}, \frac{- 1}{1}, \frac{- 2}{1}, \frac{- 3}{2}, \frac{- 4}{2}, \frac{- 5}{2}, \frac{- 6}{2}