Excellence in Mathematics>Chapter NA - Test Paper - 1>TEST PAPER 1>Q (v)

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The multiplicative inverse of $(- 1)$ is $(- 1)$ .

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Important Questions on Test Paper - 1

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Excellence in Mathematics>Chapter NA - Test Paper - 1>TEST PAPER 1>Q (vi)

$- \frac{8}{0}$ is a rational number.

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Excellence in Mathematics>Chapter NA - Test Paper - 1>TEST PAPER 1>Q (vii)

The value of $\frac{3^{0} - 15^{0}}{3 + 15}$ is $\frac{2}{3}$ .

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Excellence in Mathematics>Chapter NA - Test Paper - 1>TEST PAPER 1>Q (viii)

${(\frac{2}{3})}^{3} \times {(\frac{2}{3})}^{5} \div {(\frac{2}{3})}^{2} = \frac{64}{729}$ .

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Excellence in Mathematics>Chapter NA - Test Paper - 1>TEST PAPER 1>Q (i)

The base of

{(- \frac{2}{3})}^{5}

is

(\frac{k}{3})

, then the value of

k

is _____.

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Excellence in Mathematics>Chapter NA - Test Paper - 1>TEST PAPER 1>Q (ii)

For any two rational numbers

a

and

b

,

a^{4} \times b^{4}

is equal to

{(k)}^{4}

, then the value of

k

is _____

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7th CBSE

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Excellence in Mathematics>Chapter NA - Test Paper - 1>TEST PAPER 1>Q (iii)

If

2^{3} + 1^{3} = 3^{x}

, then

x =

_____.

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7th CBSE

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Excellence in Mathematics>Chapter NA - Test Paper - 1>TEST PAPER 1>Q (iv)

The rational number

(- \frac{3}{7})

is _____ than

\frac{13}{- 28}

. (Greater / less)

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7th CBSE

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Excellence in Mathematics>Chapter NA - Test Paper - 1>TEST PAPER 1>Q (v)

_____

\div (\frac{- 8}{39}) = 26