Find the sum of divisors of 544 which ar...

Find the sum of divisors of 544 which are perfect squares.

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DISHA PUBLICATION-NUMBER SYSTEM-Practice Exercise (Foundation Level)

How many positive integer values of 'a' are possible such that (a+220)...
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The sum and number of even factors of 2450.
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Find the sum of divisors of 544 which are perfect squares.
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Find the number of zeroes in: 100^(1)xx99^(2)xx98^(3)xx97^(4)xx….xx1...
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(23)(5)+(47)(9)=(?)(8)
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LCM of first 100 natural numbers is N. What is the LCM of first 105 na...
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N! is completely divisible by 13^(52). What is sum of the digits of th...
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A two digit number is divided by the sum of its digits. What is the ma...
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12^(55)//3^(11)+8^(48)//16^(18) will give the digit at units place as
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The unit digit in the expression 36^(234)"*"33^(512)"*"39^(180)-54^(...
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The last digit of the LCM of (3^(2003)-1)and(3^(2003)+1) is
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The persons start walking together and their steps measure 40 cm, 42 c...
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The sum of first n odd numbers (i.e., 1+3+5+7+…+2n-1) is divisible by ...
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Which of the following is/are true? (i) 43^(3)-1 is divisible by 11 ...
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The remainder when 6^(6^6^6^6^(..oo "times")) is divided by 10
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The last two-digits in the multiplication 122xx123xx125xx127xx129 wi...
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Find GCD (2^(120)-1,2^(100)-1).
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How many natural numbers are there which give a remainder of 41 after ...
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The remainder when 6^(6^6^6^6^(..oo "times")) is divided by 10
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Find the unit digit of the expression 199^(2n)+144^(3n), where n is a ...
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