Difficult Riddles
What has four wings but cannot fly and uses the wind but does not know why?
Answer: windmill
Solution:
I count time, but have no end. Tick tick, but I am not a clock. What am I?
Answer: metronome
Solution:
Animal Riddles 164
Antonyms Quiz 1
Classic Riddles 340
Current Affairs 1
Difficult Riddles 579
Dirty Riddles 27
Easy Riddles 688
Food Riddles 130
Funny Riddles 711
Good Riddles 50
Jokes and Riddles 341
Kids Riddles 253
Logic Puzzles 49
Logic Riddles 81
Long Riddles 6
Math Riddles 181
Medium Riddles 693
Puzzles 65
Riddles 55
Riddles for Adults 25
Short Riddles 57
Sports Riddles 39
Tricky Riddles 470
Vocabulary Quiz 4
What am I ? 989
Who am I? 51