Puzzles That Are Not Solved Anywhere on the Internet

@abrakadabra • Oct 26, 2024

Oct 26, 2024

1.5K

Let's make a collection of difficult puzzles & their solutions here. 😉

Come up with puzzle questions whose answers can not be found through google search.

CEans will try to solve it.

PS: Do not post spam comments. Just put the questions!

Like 0 Replies 8

Replies

Welcome, guest

Join CrazyEngineers to reply, ask questions, and participate in conversations.

CrazyEngineers powered by Jatra Community Platform

Kate_w

@kate-w-7LjGWt • Nov 29, 2011

Ok I really appreciate your effort for starting something like this , who thinks , you thought so it matters! Well I would surely think of some unsolved puzzles and riddles which I could possibly put here. For now here's a brainteaser link you would love to have a look at.
<a href="https://www.iqtestexperts.com/brainteasers/" target="_blank" rel="nofollow noopener noreferrer">Brain Teasers | IQ Test Experts |</a> 😒

0
Ankita Katdare

@abrakadabra • Dec 2, 2011

Kate_w
Ok I really appreciate your effort for starting something like this , who thinks , you thought so it matters! Well I would surely think of some unsolved puzzles and riddles which I could possibly put here. For now here's a brainteaser link you would love to have a look at.
<a href="https://www.iqtestexperts.com/brainteasers/" target="_blank" rel="noopener noreferrer">Brain Teasers | IQ Test Experts |</a> 😒
Liked some of those puzzles. 😨

I want CEans to share really tough ones here.

PS: Low response to this thread shows how hard time I had coming up with puzzles during the Grand Quiz Contest.

Come on folks! Give us the toughest from your bag.😏

0
PraveenKumar Purushothaman

@praveenkumar-66Ze92 • Dec 20, 2011

4 LONGEST LINES: Make four long lines simultaneously, one of each colour. Your score is the combined total of each of the four lines. Only the longest line of each colour counts.

4 LONGEST LOOPS: Make four long loops simultaneously, one of each colour. Your score is the combined total of each of the four loops. Only the longest loop of each colour counts.
0
PraveenKumar Purushothaman

@praveenkumar-66Ze92 • Dec 20, 2011

Solve this:

Data:
A, B, C, and D want to get across a lake 312 miles across.
Swimming speeds in mph: A=4, B=8, C=12, and D=16!
They have a motorboat that goes at 48mph but this boat can only take 2 persons.
D leaves first; 2 hours later the other 3 leave.
During the last hour, a strong salmon decides to push the boat. This causes the boat to go 72mph during the last hour.
All 4 arrive on other side at same time, 16 hours after D left.

Questions:
How many miles did the boat travel?
For how many hours did A swim?
How many miles did C swim?
How many hours was B in the boat?

NOTE: Everything is in complete miles and hours (no fractions of nothing), all speeds are constant, no interfering currents, no lost of time getting in/out of boat, no loss of time doing boat u-turns, no hanging on to the back of the boat or other such dishonest stuff; in other words, no dirty tricks to make your life miserable.
0
Sagar07

@sagar07-LecI1i • Dec 21, 2011

Praveen-Kumar
Solve this:

Data:
A, B, C, and D want to get across a lake 312 miles across.
Swimming speeds in mph: A=4, B=8, C=12, and D=16!
They have a motorboat that goes at 48mph but this boat can only take 2 persons.
D leaves first; 2 hours later the other 3 leave.
During the last hour, a strong salmon decides to push the boat. This causes the boat to go 72mph during the last hour.
All 4 arrive on other side at same time, 16 hours after D left.

Questions:
How many miles did the boat travel?
For how many hours did A swim?
How many miles did C swim?
How many hours was B in the boat?

NOTE: Everything is in complete miles and hours (no fractions of nothing), all speeds are constant, no interfering currents, no lost of time getting in/out of boat, no loss of time doing boat u-turns, no hanging on to the back of the boat or other such dishonest stuff; in other words, no dirty tricks to make your life miserable.

Answers:
Boat travelled in all 696 miles....
A didn't swim at all....
C swim for 10 hours......
B was in the boat for 5 hours......
0
Sagar07

@sagar07-LecI1i • Dec 21, 2011

Explanation:

D left 1st....
Hour no 1: D-16 miles
Hour no 2: D-32 miles
next A and B leave with the boat while C starts to swim..
Hour no 3: D-48 miles, A-48 miles, B-48 miles, C-12 miles
Hour no 4: D-64 miles, A-96 miles, B-96 miles, C-24 miles
Hour no 5: D-80 miles, A-144 miles, B-144 miles, C-36 miles
Hour no 6: D-96 miles, A-192 miles, B-192 miles, C-48 miles
Hour no 7: D-112 miles, A-240 miles, B-240 miles, C-60 miles
At this moment B leaves the boat, starts swimming and A comes back to take C....
Hour no 8: D-128 miles, A-192 miles, B-248 miles, C-72 miles
Hour no 9: D-144 miles, A-144 miles, B-256 miles, C-84 miles
Hour no 10: D-160 miles, A-96 miles, B-264 miles, C-96 miles
So, A meets C and C joins the boat....
Hour no 11: D-176 miles, A-144 miles, B-272 miles, C-144 miles
Hour no 12: D-192 miles, A-192 miles, B-280 miles, C-192 miles
Hour no 13: D-208 miles, A-240 miles, B-288 miles, C-240 miles
Hour no 14: D-224 miles, A-288 miles, B-296 miles, C-288 miles
C leaves the boat, starts swimming and A comes back to take D....
Hour no 15: D-240 miles, A-240 miles, B-304 miles, C-300 miles
At the last hour, D joins the boat and boat travels with 72 miles/hr,
Hour no 16: D-312 miles, A-312 miles, B-312 miles, C-312 miles.....

All 4 reach at the same time..................
0
PraveenKumar Purushothaman

@praveenkumar-66Ze92 • Dec 21, 2011

That was brilliant, Sagar!
0
Sagar07

@sagar07-LecI1i • Dec 21, 2011

Thanx....
0