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Maths Puzzle
103,102,113,112.
Above numbers are special square numbers. Tell Why?
Read Solution (Total 2)
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- Digits in Their squares can be arranged to get atleast 3 perfect squares.
103^2= 10609....1, 100,16,9
102^2= 10404.... 1,4,100,144
113^2= 12769 .... 1,16,9,169
112^2 = 12544.... 1,4,25,144 - 12 years agoHelpfull: Yes(4) No(1)
- Ans. Sum of digits of the squares of these numbers are squares.
Explanation:
103^2= 10609 => Sum of digits is 1+0+6+0+9 = 16, which is a perfect square.
102^2= 10404 => Sum of digits is 1+0+4+0+4 = 9, which is a perfect square.
113^2= 12769 => Sum of digits is 1+2+7+6+9 = 25, which is a perfect square.
112^2= 12544 => Sum of digits is 1+2+5+4+4 = 16 which is a perfect square.
- 12 years agoHelpfull: Yes(1) No(1)
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