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Secondary School (English Medium) (5 to 8) Class 8 - CBSE Question Bank Solutions

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Fill in the blanks:

 If a is reciprocal of b, then the reciprocal of b is .....

 

[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Fill in the blanks:
 The number 0 is ..... the reciprocal of any number.

[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

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Fill in the blanks:

Reciprocal of\[\frac{1}{a}, a \neq 0\]

[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Fill in the blanks:

(17 × 12)−1 = 17−1 × .....

[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Fill in the blanks:

\[- 4 \times \frac{7}{9} = \frac{7}{9} \times . . . . . .\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Fill in the blanks:

\[\frac{5}{11} \times \frac{- 3}{8} = \frac{- 3}{8} \times . . . . . .\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Fill in the blanks:

\[\frac{1}{2} \times \left( \frac{3}{4} + \frac{- 5}{12} \right) = \frac{1}{2} \times . . . . . . + . . . . . . \times \frac{- 5}{12}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Fill in the blanks:

\[\frac{- 4}{5} \times \left( \frac{5}{7} + \frac{- 8}{9} \right) = \left( \frac{- 4}{5} \times . . . . . \right) \times \frac{- 8}{9}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[1 \text{by} \frac{1}{2}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[5 \text{by} \frac{- 5}{7}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[\frac{- 3}{4} \text{by} \frac{9}{- 16}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[\frac{- 7}{8} \text{by} \frac{- 21}{16}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[\frac{7}{- 4} \text{by} \frac{63}{64}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[0 \text{by} \frac{- 7}{5}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[\frac{- 3}{4} \text{by} - 6\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[\frac{2}{3} \text{by} \frac{- 7}{12}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[- 4\ \text{by} \frac{- 3}{5}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Divide:

\[\frac{- 3}{13}\ \text{by} \frac{- 4}{65}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Find the value and express as a rational number in standard form:

\[\frac{2}{5} \div \frac{26}{15}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined

Find the value and express as a rational number in standard form:

\[\frac{10}{3} \div \frac{- 35}{12}\]
[1] Rational Numbers
Chapter: [1] Rational Numbers
Concept: undefined >> undefined
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