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प्रश्न
Which of the following is not true?
पर्याय
Rational numbers are closed under addition.
Rational numbers are closed under subtraction.
Rational numbers are closed under multiplication.
Rational numbers are closed under division.
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उत्तर
Rational numbers are closed under division.
Explanation:
Rational numbers are not closed under division.
As, 1 and 0 are the rational numbers but `1/0` is not defined.
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संबंधित प्रश्न
Add and express the sum as a mixed fraction:
Express each of the following as a rational number of the form \[\frac{p}{q}:\]
Fill in the blanks:
Reciprocal of\[\frac{1}{a}, a \neq 0\]
Fill in the blanks:
(17 × 12)−1 = 17−1 × .....
State, true or false
`(-5)/(-12` is a negative rational number
Insert a rational number between:
3 and 4
Arrange the following rational numbers in descending order.
`(7)/(13),(8)/(15), and (3)/(5)`
If `r/s` is a rational number, then s cannot be equal to zero.
Identify the rational number that does not belong with the other three. Explain your reasoning
`(-5)/11, (-1)/2, (-4)/9, (-7)/3`
All decimal numbers are also rational numbers.
