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Which one of the following statements is...

Which one of the following statements is correct ?

A

There can be a real number which is both rational and irrational

B

The sum of two irrational number is always irrational

C

For any real numbers x and `y, x lt y rArr x^2 lt y^2`

D

Every integer is a rational number

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QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
  1. Which one of the following is a rational number ?

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  2. Rational number (-18)/5 lies between consecutive integers :

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  3. Which one of the following statements is correct ?

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  4. Which one of the following statements is not correct ?

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  5. If x be a rational number and y be an irrational number, then :

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  6. A rational equvivalent to -24/20 with denominator 25 is :

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  7. Let a/b = c/d, (where a and b are odd prime numbers) . If c > a and d ...

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  8. Find the number of values of q so that p/q is always a recurring decir...

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  9. Find the number of values of q so that p/q is always a recurring decir...

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  10. 42% of a number is 357. What is 63% of that number?

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  11. The difference between the highest and lowest three digit number is :

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  12. When a two digit number is reversed, then the new number becomes 5/6 t...

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  13. The number of two digit numbers which on being reversed (i.e., their d...

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  14. The number of two digit numbers which are prime :

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  15. The number of two digit prime numbers, with distinct digits, on being ...

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  16. The total number of two digit numbers whose unit digit is either, same...

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  17. The number of two digit numbers which are perfect square and perfect c...

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  18. Aprajita multiplies a number by 72 insted of 27, then her new answer w...

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  19. If the numerator and denominator of a fraction are exchanged then the ...

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  20. 5/4 th of a number is 60 more than half of the same number the require...

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