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प्रश्न
Put three different numbers in the circles so that when you add the numbers at the end of each line you always get a perfect square.
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उत्तर
6, 19 and 30 are the three numbers in which, when we add the end of each line we always get a perfect square.
6 + 19 = 25
6 + 30 = 36
19 + 30 = 49 
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