The questions are simple, but the answers require thought. You won’t be deceived.
The facts are clear. But you might draw bad conclusions regardless.
1. A bat and a ball together cost $1.10. the bat costs $1.00 more than the ball. How much does the ball cost?
2. If it takes 5 machines 5 minutes to make 5 widgets, how many minutes would it take 100 machines to make 100 widgets?
3. In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how many days would it take for the patch to cover half of the lake?
4. 64 teams compete in a single-elimination tournament. Teams that win advance to the next round. Teams that lose are eliminated. How many games will be played before a champion is crowned?
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The Gamer 2.0
SleepyCat
Coffee Lover 03
doglover7025
Snowman10
excellentstudent27
Gymrat
hockeyfan
holistic25
ilovebeesss
ilovemydog
The Gamer
Naturechild101
BreakingBad45
ravensfan8
temporal111
thatpersonoverthere
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webbwrestler135
Counterintuitive Spring 2024 
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#4: Number of games, not number of rounds.
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#2: 100 machines.
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HockeyFan:
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Ouch. You bit on most of the faulty logic.
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6 rounds is true (but not the number of games, which was the question), but the rest of them look like bad logic choices.
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Username
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These are understandable errors, but I hope they open your eyes to how easily we can be misled by what seem like pertinent details.
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Except for the 10 cents . . . .
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1. A bat and a ball together cost $1.10. the bat costs $1.00 more than the ball. How much does the ball cost?
The ball costs 10 cents.
2. If it takes 5 machines 5 minutes to make 5 widgets, how many minutes would it take 100 machines to make 100 widgets?
It would take 100 minutes.
3. In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how many days would it take for the patch to cover half of the lake?
24 days.
4. 64 teams compete in a single-elimination tournament. Teams that win advance to the next round. Teams that lose are eliminated. How many games will be played before a champion is crowned?
63 games would be played before a champion is crowned.
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On second thought, now that you know the real answers, is it easy to see why you took the bait?
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Half right.
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Two are correct. A third you hedged on.
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Half right.
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Just so! 🙂
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2. 100 mins
3. 24
4. 36
this is Doglover
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Perfect (if getting all four wrong is perfection).
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The Gamer2.0
1.0.10 cents
2.5 mins
3.40 days
4.63 games
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Half right.
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2. 100 mins
3. 47 days
4. 5 games
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One right.
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55 is a really odd answer (I’d love to know how you came up with it.), but the rest are correct.
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coffee lover03
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One hour and 40 minutes?
Otherwise perfect.
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1.10 cents
2. 5 minutes
3. 47 days
4. 63 games
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Right except for #1.
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