# unRiddle

• ### Help Prof BOT to Calculate 9 mins using Hour Glasses

8,980 views 8 months ago
This is very famous and popular interview puzzle.

In this puzzle you have been given 2 hour glasses.
1. 4 mins Hour glass
2. 7 mins Hour glass

Challenge is to calculate 9 mins using this hour glasses in exactly 9 mins.

Lets see if you can solve this Riddle.

for more puzzles visit - http://puzzlebot.org/ Show less
• ## Logical Riddles Play all

Want to solve some interesting Riddles, we have created story riddles to help you understand the riddles in an easy way.
• ### Which Tank will Fill first Puzzle | 4 Tanks - Duration: 2 minutes, 4 seconds.

• 149,404 views
• 1 year ago
• ### Crack the Code and Open the Lock | This will Eat your Brain - Duration: 2 minutes, 50 seconds.

• 141,613 views
• 1 year ago
• ### This Puzzle will blow your Mind | Blue Red Grey Ball Puzzle - Duration: 3 minutes, 2 seconds.

• 26,092 views
• 1 year ago
• ### Select 3 Balls and put it into Circles to make it 30 ! - Duration: 68 seconds.

• 74,333 views
• 1 year ago
• ### What is the distance between the two towers ? - Duration: 62 seconds.

• 7,638 views
• 11 months ago
• ### Google Interview puzzle - find the fastest 3 horses from 25 horses? - Duration: 2 minutes, 14 seconds.

• 4,788 views
• 10 months ago
• ### Calculate 45 or 15 mins using 2 Ropes | Interview Puzzle - Duration: 2 minutes, 10 seconds.

• 3,126 views
• 10 months ago
• ### 6 Tanks puzzle - Which Tank will be full first? ( Part - 1 ) - Duration: 2 minutes, 3 seconds.

• 55,785 views
• 9 months ago
• ### Find the box with Defective Balls puzzle | Interview question - Duration: 2 minutes, 33 seconds.

• 1,560 views
• 9 months ago
• ### Tricky Puzzle | 99% failed | Banana Clock shape Puzzle - Duration: 90 seconds.

• 275,935 views
• 1 year ago
• ### Bed Bus Trophy puzzle | Visual Puzzle - Duration: 92 seconds.

• 8,604 views
• 1 year ago
• ### Help Prof BOT to Calculate 9 mins using Hour Glasses - Duration: 2 minutes, 4 seconds.

• 8,980 views
• 8 months ago
This item has been hidden

• ### 12 दिमाग घुमा देने वाली Paheliyan | unRiddle - Duration: 11 minutes.

• 112,224 views
• 1 day ago
• ### PERSONALITY TEST | unRiddle - Duration: 95 seconds.

• 4,384 views
• 2 days ago
• ### GUESS THESE 12 CITIES FROM PICTURES | unRiddle - Duration: 4 minutes, 16 seconds.

• 11,952 views
• 5 days ago
• ### 10 Paheliyan to Test Your IQ | unRiddle - Duration: 10 minutes.

• 321,190 views
• 1 week ago
• ### I CAN GUESS YOUR AGE ( 2018 ) | unRiddle - Duration: 2 minutes, 8 seconds.

• 24,063 views
• 1 week ago
• ### 10 जासूसी और मजेदार पहेलियाँ एक साथ | unRiddle - Duration: 10 minutes.

• 97,647 views
• 1 week ago
• ### 10 Countries Flag Challenge - Can you Guess the Correct one | unRiddle - Duration: 3 minutes.

• 85,877 views
• 1 week ago
• ### 12 जासूसी और रोमांचक पहेलियाँ एक साथ | unRiddle - Duration: 10 minutes.

• 282,650 views
• 1 week ago
• ### दिमाग घूमा देने वाली 12 सबसे मजेदार पहेलियाँ | unRiddle - Duration: 10 minutes.

• 425,825 views
• 2 weeks ago
• ### 11 Majedar Paheli Challenge | unRiddle - Duration: 10 minutes.

• 214,425 views
• 2 weeks ago
• ### 10 जासूसी और मजेदार पहेलियाँ एक साथ | unRiddle - Duration: 10 minutes.

• 1,434,986 views
• 3 weeks ago
• ### 14 Jasoosi aur Hindi Paheliyan Challenge | unRiddle - Duration: 10 minutes.

• 540,759 views
• 3 weeks ago
This item has been hidden
• ## Created playlists

• ### Riddles in Hindi - Playlist

• Updated 2 days ago
• ### IPS Interview Questions - Playlist

• Updated 6 days ago
• ### IAS Interview Questions - Playlist

• Updated 6 days ago

• ### Maths Tips and Tricks - Playlist

This item has been hidden
to add this to Watch Later