Brain Teasers: Logic, Math & Word Riddles
Test your problem-solving skills with this mix of logic puzzles, mathematical riddles, and word brain teasers.
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Quiz Questions & Answers
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Question 1: I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by everyone. What am I?
Diamond
Coal
Gold
Pencil lead
Question 2: If you divide 30 by half and add 10, what do you get?
40
70
35
25
Question 3: What has keys, but no locks; space, but no room; and you can enter, but not go in?
Calculator
Piano
Phone
Keyboard
Question 4: A farmer has 17 sheep, all but 9 die. How many sheep are left?
0
8
9
17