29
I think you are
Explanation
21
How about
So,
20
Alternatively, you are:
If you 'take away two' - specifically:
This would also work with matchsticks... (and a similar technique could be used to change (e.g.) 19 into 14, 29 into 24, etc...)
16
How about
Explanation:
15
The symbols around the lower boxes are
These form
The solutions to that part:
These solutions have an interesting property:
And finally,
14
Another possibility similar to @Stiv's:
Explanation:
13
I think I got it!
The answer is:
And here's why:
11
How about
when written as:
Also works with certain other powers of 10: hundred, million, etc...
11
I think the answer is:
The logic:
Then:
10
Okay, here's an attempt that I believe meets all the rules:
10
My guess is based on @Quantum Twinkie's answer. There are many Roman Numeral paths, for example:
8
I think the answer is
Reasoning
7
Here's another answer:
Explanation:
Admittedly not the most elegant solution, and there are similar solutions ad infinitum.
5
In a group of 25, you might have good odds of duplicate birthdays, as the linked question says, but you have almost good odds of not having them, too. For all ten groups of 25 to have duplicates is unlikely.
But this is not a group of 250 random people. It's an exam, and since it's teenagers, it is perhaps a high-school exam -- a situation in which people ...
5
5
My two cents. (Go on, take them.)
5
How about
4
There could be infinitely many solutions.
a) Pick any number in the following pattern:
b) Pick any number in the following pattern:
4
Here's a solution using only language structure:
CHILE, BELIZE, INDIGO - Contains the letter I
CHILE, RAZOR, BLUNT - Has 5 Letters
CHILE, BABAHOYO, HAZELNUT - Contains the letter H
BELIZE, BABAHOYO, BLUNT - Contains the letter B (Starts with it even)
BELIZE, HAZELNUT, RAZOR - Contains the letter Z
INDIGO, HAZELNUT, BLUNT - Contains the letter N
INDIGO, ...
2
An infinite amount of solutions, you are:
Taking away two:
2
What about simply
Taking away two letters:
2
Another answer not yet mentioned:
because
1
29 in binary is -11101. Removing two 1s( 3rd & 5th) , we get 110, an even number 6. Like that many such possibilities.
1
Admittedly pile-jumping, but how about:
1
I also think you are:
Explanation:
1
Another interpretation:
1
I think
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