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GOLD IS WEIGHED IN TROY OUNCES OR TROY POUNDS, WHERE THERE ARE ONLY 12 TROY OUNCES PER TROY POUND. THE MAXIMUM WEIGHT SPECIFIED ON THE BRIDGE WILL BE USING THE NORMAL IMPERIAL SYSTEM FOR MEASURING WEIGHT, WHERE THERE ARE 16 POUNDS TO AN OUNCE. BECAUSE OF THIS 36 POUNDS OF GOLD (WEIGHED USING THE TROY SYSTEM), WILL ONLY WEIGH ABOUT 29 STANDARD IMPERIAL POUNDS. THIS MEANS THAT HER TOTAL WEIGHT, INCLUDING BOTH GOLD BARS, IS LESS THAN 130 POUNDS. AN ALTERNATIVE ANSWER WOULD BE: THE GIRL WOULD SIMPLY THROW ONE OF THE GOLD BARS UP IN THE AIR WHILE HOLDING THE OTHER IN A JUGGLING MANNER. THUS, SHE WOULD NEVER BE HOLDING MORE THAN 118 POUNDS AS LONG AS SHE THREW THE OPPOSITE BAR UP BEFORE SHE CAUGHT THE OTHER A MUST NOT HAVE SEEN TWO WHITE HATS ON B AND C, OR HE WOULD HAVE KNOWN HIS OWN HAT MUST BE BLACK SINCE THERE ARE ONLY TWO WHITE HATS. SO A'S ANSWER ESTABLISHES THAT AT LEAST ONE OF B OR C'S HAT IS BLACK. BASED ON A'S ANSWER, B KNOWS THAT HE AND C ARE EITHER BOTH WEARING BLACK, OR ONE IS WEARING BLACK AND ONE IS WEARING A WHITE HAT. IF B SEES THAT C IS WEARING A WHITE HAT, THEN HE WOULD KNOW HIS OWN HAT HAD TO BE BLACK. BUT B DOES NOT KNOW WHAT COLOR HAT HE IS WEARING, WHICH MEAN'S C'S HAT IS NOT WHITE AND MUST BE BLACK. SINCE BOTH A AND B CANNOT DEDUCE THE COLOR OF THEIR OWN HATS, C WILL KNOW THAT HE IS WEARING A BLACK HAT THE MAN SAID, "MY HEAD WILL BE CHOPPED OFF." IF THE MAN SAID THE STATEMENT WAS FALSE, THE YOUNG MAN'S HEAD WOULD BE CHOPPED OFF, MAKING THE STATEMENT TRUE. IF THE MAN SAID THE STATEMENT WAS TRUE, THE YOUNG MAN WOULD BE STRANGLED TO DEATH, THUS MAKING IT FALSE HE HAS TO JUGGLE THEM. AT ANY ONE POINT, THE MAN WILL ONLY BE CARRYING 2 GOLD BARS AND THE OTHER GOLD BAR WILL BE AIRBORNE, MEANING A MAXIMUM OF 95KG TOTAL AT ANY GIVEN TIME