Thursday, September 29, 2011

Problem of the Day 29 Sept 2011

Let a, b, c be three distinct odd natural numbers. Which of the following can be the sum of the squares of a, b and c?

(a) 3333                            (b) 5555                                (c) 9999                        (d) 7777




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1 comment:

  1. 9999??
    is it the digital root thing??
    for perfect squares digital root shd be 1,4,7,9
    so their sum shd also be 1,4,7,9
    am i right?

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