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Show that 17640 is not a perfect square....

Show that 17640 is not a perfect square.

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STATEMENT-1 : The dual statement of "xis a perfect square or xis a prime number" is "x is a perfect square and a prime number and STATEMENT-2 : If x is a prime number, then it isnot a perfect square.

RD SHARMA ENGLISH-SQUARES AND SQUARE ROOTS-All Questions
  1. Is 225 a perfect square ? if so, find the number whose square is 225.

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  2. Show that 63504 is perfect square. Also, find the number whose squa...

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  3. Show that 17640 is not a perfect square.

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  4. Find the smallest number by which 180 must be multiplied so that th...

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  5. Find the smallest number by which 25200 should be divided so that t...

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  6. Which of the following numbers are perfect squares? (i)484       ...

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  7. Show that each of the following numbers is a perfect square. Also, f...

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  8. Find the smallest number by which the given number must be multiplie...

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  9. Find the smallest number by which the given number must be divided s...

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  10. Which of the following numbers are perfect squares ? 11, 12, 16, 32, 3...

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  11. Using prime factorization method, find which of the following numbe...

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  12. By what number should each of the following numbers be multiplied to...

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  13. By what numbers should each of the following be divided to get a per...

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

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  15. Find the least number of three digits which is perfect square.

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  16. Find the smallest number by which 4851 must be multiplied so that t...

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  17. Find the smallest number by which 28812 must be divided so that the...

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  18. Find the smallest number by which 1152 must be divided so that it b...

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  19. Explain why none of the numbers out of following is a perfect square. ...

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  20. 635, 98, 122 are not perfect squares as they leave remainder 2 when...

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