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What percentage of the numbers from 1...

What percentage of the numbers from 1 to 50 have squares that end in the digit 1? (a) 1     (b) 5     (c) 10     (d) 11      (e) 20

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RS AGGARWAL-SQUARE ROOTS AND CUBE ROOTS-All Questions
  1. Which of the following is closest to sqrt(3) ? (a) 1.69 (b) (173...

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

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

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

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

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

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

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

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

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  10. (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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  11. If the product of four consecutive natural numbers increased by a n...

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

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

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

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  15. 1. 5^2xxsqrt(0. 0225)=? (a) 0.0375 (b) 0.3375 (c) 3.275 (d) 32.75

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

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  17. The value of sqrt(0. 01)+sqrt(0. 81)+sqrt(1. 21)+sqrt(0. 0009) is (...

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  18. sqrt(. 0025)xxsqrt(2. 25)xxsqrt(. 0001)=? (a) .000075 (b) .0075 (c...

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  19. sqrt(1. 5625)=? (a) 1.05 (b) 1.25 (c) 1.45 (d) 1.55

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  20. If sqrt(. 00000676)=. 0026 , the square root of 67,60,000 is: 1/(26...

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