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I made some problem since I was bored. Hope you can solve it! 

There are 5 geometry and 3 algebra questions in the tiger math test. Nathan picks questions to solve randomly and he continues to study until he solves all questions from one of the subjects. What is the probability that Nathan finishes algebra?

 

 

 

 

Again, hope you can solve it!

-tigernathan

 Jul 14, 2020
edited by tigernathan  Jul 14, 2020
 #1
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I also made another problem; I wanted it to be like the AMC8 contest:

Right after the Tiger Algebra Exam, Alex, Bob, and Caroline start discussing their answers.

Alex: I just realized that our answers are all 2 digit primes!

Bob: Woah! Really? Also, the sum of your two answers is the date of my birthday earlier this month! What about you Caroline?

Caroline: That's a coincidence. The sum of your two answers is the date of my birthday later this month! Woah. This exam is so weird!

Alex: The sum of your two answers is today's date. Cool!

What could be the exam date?

 

a) Jan. 24

b) Feb. 26

c) Mar. 28

d) Oct. 27

e) Nov. 13

 

Now, which is it?

- tigernathan

 Jul 14, 2020
 #2
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Nice problems!! :D

 

I'll try to attempt these after my class is over wink

 Jul 14, 2020
 #3
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idk. they are hard. CalTheGreat, can you solve them?

 Jul 14, 2020
 #4
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Maybe.... taking a look now! :D

 Jul 14, 2020
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I think it is A for the second one... I'm not sure though.

 Jul 14, 2020
edited by CalTheGreat  Jul 14, 2020
 #6
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What's the first, does anyone know?

 Jul 14, 2020
 #7
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He finishes it, so.... 1?

 Jul 15, 2020
 #8
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Try again ;)

tigernathan  Jul 15, 2020
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Awww man! wink

 

Is the second one correct?

CalTheGreat  Jul 15, 2020
 #10
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Yes. Good job!

tigernathan  Jul 15, 2020
 #11
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Yay! Thanks~laugh

CalTheGreat  Jul 15, 2020

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