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Is 9720 a perfect cube? If not, find the...

Is 9720 a perfect cube? If not, find the smallest number by which it should be divided to get a perfect cube.

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NCERT EXEMPLAR-SQUARE - SQUARE ROOT AND CUBE-CUBE ROOT-Exercise
  1. Using prime factorisation, find the cube roots of 2197

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  2. Is 176 a perfect square? If not, find the smallest number by which it ...

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  3. Is 9720 a perfect cube? If not, find the smallest number by which it s...

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  4. Write two Pythagorean triplets each having one of the numbers as 5.

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  5. By what smallest number should 216 be divided so that the quotient is ...

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  6. By what smallest number should 3600 be multiplied so that the quotient...

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  7. Find the square root of the following by long division method. 1369

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  8. Find the square root of the following by long division method. 5625

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  9. Find the square root of the following by long division method. 27.04

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  10. Find the square root of the following by long division method. 1.44

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  11. What is the least number that should be subtracted from 1385 to get a ...

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  12. What is the least number that should be added to 6200 to make it a per...

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  13. Find the least number of four digits which is a perfect square.

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  14. Find the greatest number of three digits which is a perfect square.

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  15. Find the least square number which is exactly divisible by 3, 4, 5, 6 ...

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  16. Find the length of the side of a square if the length of its diagonal ...

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  17. A decimal number is multiplied by itself. If the product is 51.84, fin...

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  18. Find the decimal fraction which when multiplied by itself gives 84.64.

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  19. A farmer wants to plough his square field of side 150m. How much area ...

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  20. What will be the number of unit squares on each side of a square graph...

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