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Which is the biggest perfect square amongst the following :
15129, 12348, 23716, 20736
Read Solution (Total 2)
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- lets go from the options...
the perfect squares may not have unit digits other than 00,1,4,9,6,5
hence eliminate 12348
the sum of digits(129->1+2+9=12->1+2=3) should not be other than 0,1,4,7
hence eliminate 15129 and 20736
and thus the answer is 23716. - 8 years agoHelpfull: Yes(10) No(0)
- 23716 is a biggest perfect square numbers.
23716 is square of 154
- 12 years agoHelpfull: Yes(7) No(2)
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