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

Find the cube root of the following number by successive subtraction of number:
1, 7, 19, 37, 61, 91, 127, 169, 217, 271, 331, 397, ... 1728 .

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The product of two positive rational numbers is always .....

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The product of a positive rational number and a negative rational number is always .....

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The product of two negative rational numbers is always .....

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

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

Zero has ______ reciprocal.

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The product of a rational number and its reciprocal is .....

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 The numbers ..... and ..... are their own reciprocals.

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

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 The number 0 is ..... the reciprocal of any number.

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

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(17 × 12)⁻¹ = 17⁻¹ × .....

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Divide:

Divide:

Divide: