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Ans: 14 boys & 12 girls. Here's how: Assume x boys. So 26 - x girls. x boys & i rect per boy --- 4x sides; 26 - x girls & i tri per girl --- 3(26 -x) sides Hence, 4x + 3(26 - x) = x + 78 sides in all, and this = 92. So x = 14

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