This discussion board is a place to discuss our Daily Challenges and the math and science
related to those challenges. Explanations are more than just a solution — they should
explain the steps and thinking strategies that you used to obtain the solution. Comments
should further the discussion of math and science.
When posting on Brilliant:
Use the emojis to react to an explanation, whether you're congratulating a job well done , or just really confused .
Ask specific questions about the challenge or the steps in somebody's explanation. Well-posed questions can add a lot to the discussion, but posting "I don't understand!" doesn't help anyone.
Try to contribute something new to the discussion, whether it is an extension, generalization or other idea related to the challenge.
Stay on topic — we're all here to learn more about math and science, not to hear about your favorite get-rich-quick scheme or current world events.
Markdown
Appears as
*italics* or _italics_
italics
**bold** or __bold__
bold
- bulleted - list
bulleted
list
1. numbered 2. list
numbered
list
Note: you must add a full line of space before and after lists for them to show up correctly
# I indented these lines
# 4 spaces, and now they show
# up as a code block.
print "hello world"
# I indented these lines
# 4 spaces, and now they show
# up as a code block.
print "hello world"
Math
Appears as
Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.
2 \times 3
2×3
2^{34}
234
a_{i-1}
ai−1
\frac{2}{3}
32
\sqrt{2}
2
\sum_{i=1}^3
∑i=13
\sin \theta
sinθ
\boxed{123}
123
Comments
A very clever talking lion is on the loose. Its paws were gripped on a young boy. The mother begged the lion to release her son. The lion said to the mother, "If you can guess what I will do to him, then I will release him. If you fail, then I will eat him." What should the mother say so that he can save her son?
"7" in a keypad (specifically on a telephone). It is just above the asterisk (star), and there are 12 buttons in a keypad (11 friends + the "7"). 7 represents the letters P, Q, R, and S...
A couple decided to kill themselves as they were living a hard life. They stood at the top of the cliff ready to jump. They counted down from 3. After that the woman jumped but the man didnt move. 5 seconds later the man saw the woman get out a parachute. Who betrayed who?
Easy Math Editor
This discussion board is a place to discuss our Daily Challenges and the math and science related to those challenges. Explanations are more than just a solution — they should explain the steps and thinking strategies that you used to obtain the solution. Comments should further the discussion of math and science.
When posting on Brilliant:
*italics*
or_italics_
**bold**
or__bold__
paragraph 1
paragraph 2
[example link](https://brilliant.org)
> This is a quote
\(
...\)
or\[
...\]
to ensure proper formatting.2 \times 3
2^{34}
a_{i-1}
\frac{2}{3}
\sqrt{2}
\sum_{i=1}^3
\sin \theta
\boxed{123}
Comments
A very clever talking lion is on the loose. Its paws were gripped on a young boy. The mother begged the lion to release her son. The lion said to the mother, "If you can guess what I will do to him, then I will release him. If you fail, then I will eat him." What should the mother say so that he can save her son?
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You will eat him.
You will release him
I live above a star, and I have 11 friends. My initials are PQRS. What am I?
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"7" in a keypad (specifically on a telephone). It is just above the asterisk (star), and there are 12 buttons in a keypad (11 friends + the "7"). 7 represents the letters P, Q, R, and S...
I face my brother, he faces me. At our sides two more I see. Together we make room for thee. What am I?
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A wall?
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Riiiight....
A halllway?
Despised am I by knave and liar. After me the wise inquire. I rise above all death and fire. What am I?
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Truth
A couple decided to kill themselves as they were living a hard life. They stood at the top of the cliff ready to jump. They counted down from 3. After that the woman jumped but the man didnt move. 5 seconds later the man saw the woman get out a parachute. Who betrayed who?
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Woman? because she took the parachute man could of just been scared