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.

24 Red Socks and 24 Blue Socks

If I have 24 red socks and 24 blue socks in a drawer, how many will I have to take out, in total darkness, to be sure that I have a pair of socks of the same color?

Riddle Answer

My Age Today

My age today is three times what it will be three years from now, minus three times what my age was three years ago. How old am I?

Riddle Answer

100 Widgets

If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?

Riddle Answer

All Roses Are Flowers

All roses are flowers. Some flowers fade quickly. Therefore some roses fade quickly. True of False?

Riddle Answer

8 Balls Weighing Problem

You are given 8 identical looking balls. One of them is heavier than the rest of the 7 (all the others weigh exactly the same). You are provided with a simple mechanical balance scale. How can you find the heavier ball by using the scale only twice?

Riddle Answer