Read carefully. If there are 12 one-cent stamps in a dozen, how many two-cent stamps are there in a dozen? Banquet counting. There were 100 basketball and football players at a sports banquet. Given any two athletes, at least one was a basketball player. If at least one athlete was a football player, how many football players were at the banquet? Subway dating. A Manhattan fellow had a girlfriend in the Bronx and a girlfriend in Brooklyn. He decided which girlfriend to visit by arriving randomly at the train station and taking the first of the Bronx or Brooklyn trains that arrived. The trains to Brooklyn and the Bronx each arrived regularly every 10 minutes. Not long after he began his scheme the man's Bronx girlfriend left him because he rarely visited. Give a (logical) explanati
Read carefully. If there are 12 one-cent stamps in a dozen, how many two-cent stamps are there in a dozen?
Banquet counting. There were 100 basketball and football players at a sports banquet. Given any two athletes, at least one was a basketball player. If at least one athlete was a football player, how many football players were at the banquet?
Subway dating. A Manhattan fellow had a girlfriend in the Bronx and a girlfriend in Brooklyn. He decided which girlfriend to visit by arriving randomly at the train station and taking the first of the Bronx or Brooklyn trains that arrived. The trains to Brooklyn and the Bronx each arrived regularly every 10 minutes. Not long after he began his scheme the man's Bronx girlfriend left him because he rarely visited. Give a (logical) explanation.
Scale calibration. The zero point on a bathroom scale is set incorrectly, but otherwise the scale is accurate. It shows 60 kg when Dan stands on the scale, 50 kg when Sarah stands on the scale, but 105 kg when Dan and Sarah both stand on the scale. Does the scale read too high or too low? Explain.
Bacteria Problem
A bacteria culture starts with 1 bacterium on Day one and doubles in size every day, so at Day 2 there are 2 bacteria; Day 3: 4 bacteria; Day 4: 8 bacteria; Day 5: 16 bacteria, etc. etc. So, by Day 10 there were 1024 bacteria. How many days does it take to have half the amount on accrued on Day 10?
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