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How Many Values Of C In Equation X^2-5x+c Result In Rational Roots Which Are Integers? |
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Answer» Mean weight of 7 boys = 56 KG. TOTAL weight of 7 boys = (56 × 7) kg = 392 kg. Total weight of 6 boys = (52 + 57 + 55 + 60 + 59 + 55) kg = 338 kg. Weight of the 7th BOY = (total weight of 7 boys) – (total weight of 6 boys) = (392 – 338) kg = 54 kg. Mean weight of 7 boys = 56 kg. Total weight of 7 boys = (56 × 7) kg = 392 kg. Total weight of 6 boys = (52 + 57 + 55 + 60 + 59 + 55) kg = 338 kg. Weight of the 7th boy = (total weight of 7 boys) – (total weight of 6 boys) = (392 – 338) kg = 54 kg. |
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