All in One Mathematics>Chapter 1 - Number Systems>Exam Practice>Q 1

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Decimal representation of a rational number cannot be

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Important Questions on Number Systems

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All in One Mathematics>Chapter 1 - Number Systems>Exam Practice>Q 2

Which of the following is irrational?

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All in One Mathematics>Chapter 1 - Number Systems>Exam Practice>Q 3

Which of the following is irrational?

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All in One Mathematics>Chapter 1 - Number Systems>Exam Practice>Q 4

The value of

1.999 \dots

in the form of

\frac{p}{q}

, where

p

and

q

are integers and

q \neq 0

, is

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All in One Mathematics>Chapter 1 - Number Systems>Exam Practice>Q 5

1.272727 . . . .

can be expressed in rational form as

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All in One Mathematics>Chapter 1 - Number Systems>Exam Practice>Q 6

Simplify

\frac{2^{n + 4} - 2 (2^{n})}{2 (2^{n + 3})}

.

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All in One Mathematics>Chapter 1 - Number Systems>Exam Practice>Q 7

If

x = 1 + \sqrt{2}

, then the value of

{(x - \frac{1}{x})}^{2}

is

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All in One Mathematics>Chapter 1 - Number Systems>Exam Practice>Q 8

The value of

2 . \bar{6} - 0 . \bar{9}

is

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All in One Mathematics>Chapter 1 - Number Systems>Exam Practice>Q 9

If

0.142857142857 \dots

express in the form of

\frac{m}{n}

, then the value of

(2 m + n)

is