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प्रश्न
Which of the following is not true?
विकल्प
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
What number should be subtracted from \[\frac{- 5}{3}\] to get\[\frac{5}{6}?\]
What should be added to \[\left( \frac{1}{2} + \frac{1}{3} + \frac{1}{5} \right)\] to get 3?
Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]\[\frac{- 11}{2} + \frac{7}{6} + \frac{- 5}{8}\]
Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]
Divide:
Find the value and express as a rational number in standard form:
Write the following rational number in `p/q` form.
15.89
Write down a rational number whose numerator is the largest number of two digits and denominator is the smallest number of four digits.
Compare: `- 3 "and" 2 3/4 or 11/4`
Insert three rational number between:
6 and 7
