the smallest number by which 1625 must be divided so that quotient is perfect square a) 9 b) 13 c) 49 d) none of these
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Answer is D) none of these
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1625= 5*5*5*13
By pairing them (5*5)(5*13)
5 is common thus 5*13 must be subtracted from the above number to make it a perfect square.
Thus 65 must subtracted from 1625
We do not have Such option therefore
Your ans is (d) none of the above
Hope this will help you:)
By pairing them (5*5)(5*13)
5 is common thus 5*13 must be subtracted from the above number to make it a perfect square.
Thus 65 must subtracted from 1625
We do not have Such option therefore
Your ans is (d) none of the above
Hope this will help you:)
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