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If (x)/(y) is a rational number, then y...

If `(x)/(y)` is a rational number, then y is always a whole number.

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NCERT EXEMPLAR-RATIONAL NUMBERS -Exercise (true(T) or false (F))
  1. If (x)/(y) is a rational number, then y is always a whole number.

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  2. If (p)/(q) is a rational number, then p cannot be equal to zero.

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  3. If (r )/(s) is a rational number, then s cannot be equal to zero.

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  4. (5)/(6) lies between (2)/(3) and 1. True or false.

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  5. (5)/(10) lies between (1)/(2) and 1. True or false.

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  6. (-7)/(2) lies between -3 and -4. True or false.

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  7. (9)/(6) lies between 1 and 2. True or false.

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  8. If a ne 0, the multiplicative inverse of (a)/(b) is (b)/(a).

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  9. The multiplicative inverse of (-3)/(5) is (5)/(3).

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  10. The additive inverse of (1)/(2) is -2. True or false.

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  11. If (x)/(y) is the additive inverse of (c )/(d), then (x)/(y)+(c )/(d)=...

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  12. Write the negation of each of the following statements: For every real...

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  13. If (x)/(y) is the additive inverse of (c )/(d) , then (x)/(y)-(c )/(d...

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  14. The reciprocal of a non-zero rational number (q)/(p) is the rational ...

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  15. If x + y = 0, then -y is known as the negative of x, where x and y are...

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  16. The negative of the negative of any rational number is the number itse...

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  17. The negative of 0 does not exist.

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  18. The negative of 1 is 1 itself.

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  19. For all rational numbers x and y, x - y = y - x.

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  20. For all rational numbers x and y, x xx y = y xx x.

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