1
Number Logic
Crack the three-digit code
The first digit is twice the second digit. The third digit is one less than the first digit. The sum of all three digits is 9.
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2
Classic Logic
Fox, goose and corn
A farmer must cross a river with a fox, a goose and a bag of corn. The boat holds only the farmer and one item. What must he take across first?
3
Pattern Recognition
What number comes next?
2, 6, 12, 20, 30, ?
Hint: look at the differences between the numbers.
4
Riddle
Keys with no locks
I have many keys but cannot open a single lock. I have space but no room. You can enter, but you cannot go inside. What am I?
5
Odd One Out
Which number doesn't belong?
8 27 64 100 125
Four are perfect cubes.
6
Word Scramble
Unscramble this word
N I B R A
You are using yours right now.
7
Clock Math
What's the smaller angle?
At exactly 3:30, what is the smaller angle between the hour hand and minute hand?
8
Deduction
Can we prove it?
All roses are flowers. Some flowers fade quickly. Therefore, some roses fade quickly.
Is that conclusion logically guaranteed?
9
Letter Pattern
Which letter comes next?
A, C, F, J, O, ?
The jumps grow by one letter each time: +2, +3, +4, +5...
10
Memory
Remember the symbols
Click Start. You'll have 4 seconds to memorize six symbols. Then choose the symbol that was NOT shown.
Ready?