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Unsolved Puzzles
Lie Detector Probability Question
Scientists were trying out a new lie detection test based on a needle. The needle indicates red if it a lie and green if it’s true. For any person lying, there is a 75% chance of the needle pointing towards red. For a person not lying, there is a 90% chance of the needle pointing towards green. It is known that 10% of people who go for the test are lying.
If a person who tests to have lied, If the probability that they actually lied is P, then 11P equals?
2 Tigers and 1 Lady Puzzle
A prisoner is facing three doors. He is told that behind one of them, there is a lady, and behind the other two there are tigers. The sign on the door of the room containing the lady is true. At least one of the other signs is false, maybe both.
The signs say
Room I A tiger is in room II
Room II A tiger is in this room
Room III A tiger is in room I
Assuming that the prisoner gets eaten immediately when opening the door to a room containing a tiger, and moreover assuming that he wants to keep alive, which door should he open?
How many balls each?
| There are a mix of red, green and yellow balls in a bag. The total number of balls is 60. There are four times as many red balls as green, and six more yellow balls than green balls. How many balls of each color are there? |
Color and Organ Riddle
It is a color and cut its first letter and then from the letters which are remaining reverse the positions of first and second letter ,then you get an organ of our body, you have to tell both the color and the organ?
Cow’s milk fat math puzzle
Cow’s milk has 5% fat. How much milk without fat should be added to 40 liters of cow’s milk to get 4% fat?
How to Divide 8 Gold Coins between 2 farmers?
While traveling along a lonely road, a rich man was hungry. He saw two farmers and asked them for food. One had 3 chapatis and the other 5. To divide them equally, they made 3 pieces of each chapati. Every man had 8 pieces. The rich man gave them 8 gold coins. He told them that they should divide them EQUITABLY and rode away. How many coins should each farmer get?
Spinning Disc Direction Puzzle
A spinning disc is painted black on one half and white on the other (i.e., the line forming the border between the black and white regions of the disc is a diameter of the disc). The disk is spinning on a turntable in an unknown direction at an unknown speed. You have special video cameras that can observe the color of a single point on the disc. How many cameras do you need to determine the direction the disc is spinning?
Unscramble these 30 SIMILIES
Unscramble the SIMILIES given.
Example: “As oloc as ucurmcbe” when unscrambled becomes : “As cool as cucumber” **********************************
1. As creisen as ngtshuil
2. As mvsiuhiseoc as a etntik
3. As letibtr as slgsa
4. As ylocts as an lecnteio
5. As ereag as a iogoemrbdr
6. As csrguiao as the iomrgnn
7. As theons as a rorimr
8. As itllet as a ilqserur
9. As tpsopoie as elpso
10. As sepitnster as a qotiousm
11. As bfaleiutu as a ionawbr
12. As tnviseeis as sfrleow
13. As pduor as a ckaecpo
14. As acserd as a ehsnri
15. As lcare as a rlsytca
16. As srisleet as the caoen
17. As lewoly as luhspru
18. As slmeip as a dilhc
19. As timsusyroe as the coeh
20. As fstwi as a hutghot
21. As ertslses as binaomti
22. As tibnrlali as trsas
23. As tasnlbue as the nidw
24. As hugot as hrateel
25. As bonedtie as a ueptpp
26. As eesilnsos as oashdw
27. As nauctpul as irgspn
28. As eneslsses as tesosn
29. As renetd as rates
30. As eagrnst as nsiovi
Number Puzzle #205
Number Puzzle #205
6 2 8
2 4 6
3 1 7
49 21 ?
| 6 | 2 | 8 |
| 2 | 4 | 6 |
| 3 | 1 | 7 |
| 49 | 21 | ? |
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