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[(sqrt(81))^2]^2=(?)^2 (a) 8 (b) 9 (...

`[(sqrt(81))^2]^2=(?)^2` (a) 8 (b) 9 (c) 4096 (d) 6561 (e) None of these

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RS AGGARWAL-SQUARE ROOTS AND CUBE ROOTS-All Questions
  1. sqrt(110 1/4)=? (a) 10.25 (b) 10.5 (c) 11.5 (d) 19.5

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  2. sqrt((25)/(81)-1/9)=? 2/3 (b) 4/9 (c) (16)/(81) (d) (25)/(81)

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  3. [(sqrt(81))^2]^2=(?)^2 (a) 8 (b) 9 (c) 4096 (d) 6561 (e) None of t...

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  4. The digit in the unit’s place in the square root of 15876 is (a) 2 ...

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  5. Which of the following is closest to sqrt(3) ? (a) 1.69 (b) (173...

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  6. How many two-digit numbers satisfy this property: The last digit (u...

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  7. What percentage of the numbers from 1 to 50 have squares that end i...

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  8. While solving a mathematical problem, Samidha squared a number and ...

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  9. How many perfect squares lie between 120 and 300? (a) 5       (b) 6...

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  10. The number of perfect square numbers between 50 and 1000 is (a) 21 ...

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  11. A man born in the first half of the nineteenth century was x years ...

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  12. R is a positive number. It is multiplied by 8 and then squared. The...

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  13. The smallest natural number which is a perfect square and which end...

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  14. (sqrt(2)+1/(sqrt(2)))^2 is equal to 2 1/2 (b) 3 1/2 (c) 4 1/2 (d) 5 1/...

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  15. If the product of four consecutive natural numbers increased by a n...

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  16. What is the square root of 0.16? (a) 0.004     (b) 0.04     (c) ...

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  17. The value of sqrt(0. 000441) is (a) 0.00021 (b) 0.0021 (c) 0.021...

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  18. sqrt(0. 00004761) equals (a) 0.00069 (b) 0.0069 (c) 0.0609 (d) 0.06...

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  19. 1. 5^2xxsqrt(0. 0225)=? (a) 0.0375 (b) 0.3375 (c) 3.275 (d) 32.75

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  20. sqrt(0. 01+sqrt(0. 0064))=? (a) 0.03 (b) 0.3 (c) 0.42 (d) None of ...

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