100+ Hard riddles to test your mental acuity

Hard riddles: Take your problem-solving skills to the next level with our collection of 100 hard riddles. These challenging puzzles are sure to keep you entertained and engaged for hours as you work to figure out the answers. From logic riddles to wordplay, our selection has something for everyone. See just how smart you are with this giant collection of hard riddles.

Updated: 02-01-2026

Scratch head-Hard Riddle

31. Riddles
Take one out and scratch my head I am now black but once was red.
    • Answer: Match

What Always Runs-Hard Riddle

32. Riddles
What runs, but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?
    • Answer: A river

Match Kerosene lamp Candle-Hard Riddle

33. Riddles
You walk into a room that contains a match, a kerosene lamp, a candle, and a fireplace. What would you light first?
    • Answer: The match

How do you escape-Hard Riddle

34. Riddles
Imagine you are deserted on an island lighted up with fire. You have no bucket so you cannot use the seawater. How do you escape?
    • Answer: Just stop imagining.

Jared's father-Hard Riddle

35. Riddles
 Jared's father has three sons, Snap, Crackle and?
    • Answer: Jared

Synonyms and Antonyms -Hard Riddle

36. Riddles
What is the only English word, with two synonyms that are antonyms of each other?
    • Answer: Cleave

Color of clouds-Hard Riddle

37. Riddles
First, think of the color of the clouds. Next, think of the color of snow. Now, think of the color of a bright full moon. Now answer quickly what do cows drink?
    • Answer: Water.

11:59 PM and raining-Hard Riddle

38. Riddles
It's 11:59 PM and it's raining heavily. Your friend feels like this one is not going to end soon and it will increase. Do you think there are any chances that it will be broad sunlight after 72hrs or not?
    • Answer: Of course not it will be night at 11:59 PM after the next 72 hrs! LoL!!

Voiceless it cries-Hard Riddle

40. Riddles
Voiceless it cries, wingless flutters, toothless bites, mouthless mutters.
    • Answer: The wind.

Never gets dirty - Hard Riddle

42. Riddles
What spends all the time on the floor but never gets dirty?
    • Answer: Your shadow.

Black Red and White-Hard Riddle

43. Riddles
What's black when you get it, red when you use it, and white when you're all through with it?
    • Answer: Charcoal.

Uncle's Sister - Hard Riddle

44. Riddles
If your uncle's sister is not your aunt, what relation is she to you?
    • Answer: Your mother