Logic Riddles

Logic riddles with answers involve looking at situations and making judgements about them by ruling out impossibilities. If you like solving maths puzzles, you will most probably like logic riddles as well.

Change for a Dollar

What is the largest amount of money in US coins you can have without being able to make change for a dollar?

Riddle Answer

Rectangular Array of People

In a rectangular array of people, who will be taller: the tallest of the shortest people in each column, or the shortest of the tallest people in each row?

Riddle Answer

$1.15 in Six Coins

A man has $1.15 in six coins. He can’t make change for a dollar, a half dollar, a quarter, a dime, or a nickel. What coins did he have?

Riddle Answer

Six Dozen Dozen

Which is greater: six dozen dozen or half a dozen dozen?

Riddle Answer

53 Socks

A man has 53 socks in his drawer: 21 identical blue, 15 identical black and 17 identical red. The lights are fused and he is completely in the dark. How many socks must he take out to be 100 percent certain he has a pair of black socks?

Riddle Answer