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Find the smallest number by which the gi...

Find the smallest number by which the given number must be multiplied so that the product is a perfect square : (i)23805           (ii)  12150             (iii)   7688

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RD SHARMA ENGLISH-SQUARES AND SQUARE ROOTS-All Questions
  1. Which of the following numbers are perfect squares? (i)484       ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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  15. 635, 98, 122 are not perfect squares as they leave remainder 2 when...

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  16. 67,  146, 363, 10003 are not perfect squares as they leave remainde...

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  17. Find the square root of the following number by prime factorization....

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  18. (3,4,5),\ (5, 12 , 13),\ (8, 15 ,\ 17) etc. are Pythagorean triplets, ...

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  19. Write a Pythagorean triplet whose one member is : (I)6             ...

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  20. The following numbers are not perfect squares. Give reason. (I)1057 ...

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