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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
Add the following rational numbers.
Simplify:
Subtract the first rational number from the second in each of the following:
Subtract the first rational number from the second in each of the following:
What should be added to \[\frac{- 7}{8}\] so as to get \[\frac{5}{9}?\]
Insert a rational number between:
8 and 8.04
Insert three rational number between:
6 and 7
Arrange the following rational numbers in descending order.
`(7)/(13),(8)/(15), and (3)/(5)`
Write the rational number whose numerator and denominator are respectively as under:
25 + 15 and 81 ÷ 40
Put the (✓), wherever applicable
| Number | Natural Number |
Whole Number |
Integer | Fraction | Rational Number |
| (a) – 114 | |||||
| (b) `19/27` | |||||
| (c) `623/1` | |||||
| (d) `-19 3/4` | |||||
| (e) `73/71` | |||||
| (f) 0 |
