TED-Ed: Can you solve the birthday cake riddle? | Marie Brodsky
Interactive Video
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Physics, Science
•
KG - University
•
Hard
Wayground Content
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the protagonist's main challenge in determining the giant's age?
The protagonist is too small to see the top of the cake.
The giant is too young to have candles.
The giant does not want anyone to know his age.
The candles are hidden inside the cake.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial strategy proposed for counting the candles?
Marking the first candle and backtracking to check the loop.
Lighting all candles at once.
Using a ladder to see the top of the cake.
Asking the giant directly for his age.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might the straightforward strategy be inefficient?
It requires too many candles to be lit.
It involves running a marathon between candles.
It may take too long if many candles are already lit.
It depends on the giant's cooperation.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the efficient strategy improve upon the initial method?
By asking the baker for the correct number.
By lighting all candles simultaneously.
By testing hypotheses and adjusting guesses based on patterns.
By using a calculator to count candles.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the advantage of doubling the guess in the efficient strategy?
It ensures all candles are lit.
It allows for quick determination of high numbers.
It prevents the giant from waking up.
It reduces the number of candles needed.
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