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B _ G Clue
NUMBER THE BUCKETS 1 THROUGH 20. TAKE ONE BLOCK FROM BUCKET 1, TWO FROM BUCKET 2, THREE FROM BUCKET 3, AND SO ON, UNTIL YOU HAVE 20 BLOCKS FROM BUCKET 20. THEN STACK AND WEIGH THE 210 BLOCKS (1 + 2 + 3 + ... + 18 + 19 + 20 = 210). IF ALL THE BLOCKS WEIGH 16OZ EACH, THEN THE SCALE WOULD READ 3360OZ. HOWEVER, THE SCALE WILL ACTUALLY READ OVER THIS BY A NUMBER OF OUNCES THAT CORRESPONDS TO THE NUMBERED BUCKET WITH THE HEAVIER BLOCKS SINCE EACH HEAVY BLOCK ADDS 1 OUNCE. FOR EXAMPLE, IF THE HEAVIER BLOCKS ARE IN BUCKET 10, THE SCALE WOULD READ 3370OZ SINCE THERE ARE 10 BLOCKS THAT WEIGHT 17OZ EACH. SUBTRACTING THE WEIGHT ON THE SCALE WITH 3360OZ WILL GIVE THE BUCKET NUMBER: 3370 - 3360 = 10 TAKE ONE COIN FROM THE FIRST BAG, TWO FROM THE SECOND, THREE FROM THE THIRD, AND SO ON, UNTIL YOU HAVE TEN COINS FROM THE TENTH. THEN STACK AND WEIGH THE 55 COINS (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10). SINCE EACH GOLD COIN WEIGH TEN GRAMS, IF ALL HAD BEEN GOLD, THE SCALE WOULD HAVE READ 550 GRAMS. THE AMOUNT BY WHICH THE WEIGHT WAS TOO LIGHT INDICATED THE NUMBER OF SILVER COINS AND THE NUMBER OF THE THE SILVER BAG. FOR INSTANCE, IF THE WEIGHT WAS 543 GRAMS, IT WOULD INDICATE THAT 7 SILVER COINS (550 - 543 = 7) HAD BEEN WEIGHED WITH THE GOLD COINS AND THAT THE REST OF THE SILVER COINS WERE IN THE SEVENTH BAG PULL ONE COIN OUT OF THE CHEST MARKED "50 GOLD AND 50 SILVER COINS". IF IT'S A GOLD COIN, YOU KNOW THAT IT'S THE CHEST WITH 100 GOLD COINS. THE CHEST LABELLED "100 GOLD COINS" WILL THEN HAVE 100 SILVER COINS AND THE CHEST LABELLED "100 SILVER COINS" WILL HAVE 50 GOLD AND 50 SILVER COINS. IF THE FIRST COIN THAT YOU PULLED OUT FROM THE CHEST LABELLED "50 GOLD AND 50 SILVER COINS" IS A SILVER COIN, THEN YOU SOLVE THE PROBLEM IN THE SAME GENERAL WAY YOU WILL HAVE TO SAY, "YOU WILL GIVE ME NEITHER COPPER NOR SILVER COIN." IF IT IS TRUE, THEN YOU WILL GET THE GOLD COIN. IF IT IS A LIE, THEN THE NEGATION MUST BE TRUE, SO THE STATEMENT BECOMES: "YOU WILL GIVE ME EITHER COPPER OR SILVER COIN". THIS WOULD BREAK THE GIVEN CONDITIONS THAT YOU GET NO COIN WHEN LYING. SO THE FIRST SENTENCE MUST BE TRUE