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Which one of the following is a rational...

Which one of the following is a rational number?

A

`(sqrt(2))^(2)`

B

`2sqrt(2)`

C

`2+sqrt(2)`

D

`(sqrt2)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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ARIHANT SSC-FUNDAMENTALS -EXERCISE - MISCELLANEOUS
  1. Value of [(x^l)^(1 - 1/l)]^(1/(l - 1)) is:

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  2. If x^a xx x^b xx x^c = 1, then a^3 + b^3 + c^3 is equal to :

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  3. Which one of the following is a rational number?

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

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  5. 1 div 1/(1 div 1/(1 div 1/3)) is equal to :

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  6. The divisor when the quotient, dividend and the remainder are respecti...

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  7. The simplified value of sqrt(900) + sqrt(0.09) - sqrt(0.000009) is

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  8. The greatest integer that divides 358, 376, 232 leaving the same remai...

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  9. The units digit of every prime number (other than 2 and 5) must be nec...

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  10. If the number 243 x 51 is divisible by 9 then the value of the digit m...

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  11. The GCD of two whole numbers is 5 and their LCM is 60. If one of the n...

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  12. The number of possible pairs of numbers , whose product is 5400 and HC...

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  13. The least number which when divided by 2,3, 4,5 and 6 leaves the remai...

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  14. Three bells, toll at interval of 36 sec, 40 sec and 48 sec respectivel...

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  15. A has certain amount in his account. He gives half of this to his elde...

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  16. If x + y + z= 0, then x^3 + y^3 + z^3 is equal to :

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  17. The remainder when x^4 - y^4 is divided by x - y is:

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  18. if x-1/x =2 , then the value of x^4 + 1/x^4 is

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  19. If the sum and the product of two numbers are 25 and 144 respectively ...

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  20. The sum of two numbers is 9 and the sum of their squares is 41. The nu...

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