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Find the least number that is to be subtracted from 4000 to make it perfect square

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VGS PUBLICATION-BRILLIANT-SQUARE ROOT AND CUBE ROOTS-EXERCISE
  1. Find the square root of the following decimal numbers : 68.89.

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  2. Find the square root of the following decimal numbers :84.64.

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  3. Find the least number that is to be subtracted from 4000 to make it pe...

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  4. Find the length of the side of a square whose area is 4489 sq.cm.

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  5. A gardener wishes to plant 8289 plants in the form of a square and fou...

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  6. Find the least perfect square with four digits.

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  7. Find the least number which must be added to 6412 to make it a perfect...

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  8. Estimate the value of the numbers to the nearest whole number:  sqrt(9...

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  9. Estimate the value of the numbers to the nearest whole number:   sqrt(...

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  10. Estimate the value of the numbers to the nearest whole number:   sqrt(...

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  11. Is 81 a perfect cube?

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  12. Is 125 a perfect cube?

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  13. How many perfect cube numbers are present between 1 and 100, 1 and 500...

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  14. How many perfect cubes are there between 500 and 1000?

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  15. Find the digit in units place of each of the numbers: 75^3

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  16. Find the digit in units place of each of the numbers: 123^3

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  17. Find the digit in units place of each of the numbers: 157^3

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  18. Find the digit in units place of each of the numbers: 198^3

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  19. Find the digit in units place of each of the numbers: 123^3

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  20. Which of the following is Pythagorean Triplet ?

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