Secondary Mathematics Class -VII>Chapter 2 - Operations on Rational Numbers>BRAIN TEASERS>Q (d)

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Identity element for subtraction of rational numbers

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Important Questions on Operations on Rational Numbers

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Secondary Mathematics Class -VII>Chapter 2 - Operations on Rational Numbers>BRAIN TEASERS>Q (a)

Write all rational numbers whose absolute values are

\frac{5}{9}

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Secondary Mathematics Class -VII>Chapter 2 - Operations on Rational Numbers>BRAIN TEASERS>Q (c)

What should be added to

\frac{- 5}{11}

to get

\frac{26}{33}

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Secondary Mathematics Class -VII>Chapter 2 - Operations on Rational Numbers>BRAIN TEASERS>Q (d)

Subtract

6 \frac{2}{3}

from the sum of

\frac{- 3}{7}

and

2

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Secondary Mathematics Class -VII>Chapter 2 - Operations on Rational Numbers>BRAIN TEASERS>Q (e)

Find the value of

1 + \frac{1}{1 + \frac{1}{6}}

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Secondary Mathematics Class -VII>Chapter 2 - Operations on Rational Numbers>BRAIN TEASERS>Q 2

If

x < y

then

|x| < |y|

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Secondary Mathematics Class -VII>Chapter 2 - Operations on Rational Numbers>BRAIN TEASERS>Q 2

If $x < y$ then $x^{- 1} < y^{- 1}$

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Secondary Mathematics Class -VII>Chapter 2 - Operations on Rational Numbers>BRAIN TEASERS>Q 2

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

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Secondary Mathematics Class -VII>Chapter 2 - Operations on Rational Numbers>BRAIN TEASERS>Q 2

Product of two rational numbers can never be an integer.