Aptitude Questions : Find the Truth Teller Interview Riddle

Difficulty Popularity

Just to test the brilliance of Sherlock's mind, Dr. Watson makes five people stand in front of him. Out of the five, only one is the truth teller and the other four are togglers which means they may tell the truth or lie on being asked. But on being asked again, they will switch which means if they told a lie the first time, they will tell the truth on second question and vice versa.

Sherlock is challenged to ask only two questions to determine who the truth teller is. He can ask both the questions to the same person or ask two different people. How will he determine who is the truth teller?

Suggestions

Aptitude Questions : Tricky Logic Question

Difficulty Popularity

A claustrophobic person boards a train that is just about to enter a tunnel.

Which place will be the best for him to sit?

Aptitude Questions : Spot The Difference Christmas Tree Riddle

Difficulty Popularity

Can you spot 5 differences in two Christmas tree below?

category : PICTURE

Aptitude Questions : Candle Trick Teaser Problem

Difficulty Popularity

Husband has prepared for a candle light dinner on the honeymoon for his wife. While they were having the dinner, a strong breeze flew through the open window and four candles out of ten were extinguished. After that, the husband closed the window.

How many candles were left in the end?

Aptitude Questions : Unique Brain Teaser

Difficulty Popularity

It takes ten minutes to fry a steak (five minutes for each side). You are frying the steaks in a pan that can accommodate only two steaks at one time. What is the least amount of time by which you can fry all the three steaks you have?

Aptitude Questions : Hard Logic Brain Teaser

Difficulty Popularity

There are 100 doors. 100 strangers have been gathered in the adjacent room. The first one goes and opens every door. The second one goes and shuts down all the even numbered doors – second, fourth, sixth... and so on. The third one goes and reverses the current position of every third door (third, sixth, ninth… and so on.) i.e. if the door is open, he shuts it and if the door is shut, he switches opens it. All the 100 strangers progresses in the similar fashion.

After the last person has done what he wanted, which doors will be left open and which ones will be shut at the end?
category : LOGIC

Aptitude Questions : Measuring Time Logic Puzzle

Difficulty Popularity

You are given with two ropes with variable width. However if we start burning both the ropes, they will burn at exactly same time i.e. an hour. The ropes are non-homogeneous in nature. You are asked to measure 45 minutes by using these two ropes.

How can you do it?

Please note that you can’t break the rope in half as it is being clearly stated that the ropes are non-homogeneous in nature.

Aptitude Questions : Spatial Trivia Physics Puzzle

Difficulty Popularity

As shown in picture, there are four gears with the following specification
* Gear A has 60 teeth
* Gear B has 40 teeth
* Gear C has 20 teeth
* Gear D has 60 teeth
* Every minute, Gear B makes 15 complete turns.

What is the relative speed of Gear A and Gear B?

Aptitude Questions : Logic Problem Brain Teaser

Difficulty Popularity

The world is facing a serious viral infection. The government of various countries have issued every citizen two bottles. You as well have been given the same. Now one pill from each bottle is to be taken every day for a month to become immune to the virus. The problem is that if you take just one, or if you take two from the same bottle, you will die a painful death.

While using it, you hurriedly open the bottles and pour the tablets in your hand. Three tablets come down in your hand and you realize they look exactly the same and have same characteristics. You can’t throw away the pill as they are limited and you can’t put them back or you may put it wrong and may die someday.

How will you ensure that you are taking the right pill?
category : LOGIC

Aptitude Questions : Move 3 MatchSticks Puzzle

Difficulty Popularity

You need to divide area in the picture below into two equal parts by using exactly three match sticks. Can you do it?

Aptitude Questions : Interview Marble Logic Puzzle

Difficulty Popularity

You are given a set of scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables you to conclude either that the contents of the dishes weigh the same or that the dish that falls lower has heavier contents than the other.
The 12 marbles appear to be identical. In fact, 11 of them are identical, and one is of a different weight. Your task is to identify the unusual marble and discard it. You are allowed to use the scales three times if you wish, but no more.

Note that the unusual marble may be heavier or lighter than the others. You are asked to both identify it and determine whether it is heavy or light.
category : LOGIC

Submit your Email Address to get latest post directly to your inbox.

Latest Puzzles

22 March
Minimum Move Chess Game Video Riddle

Can you figure out the minimum number of...

21 March
A numeric lock has 3 digit key Riddle

A numeric lock has 3 digit code with the...

20 March
What's wrong in the kitchen picture

What appears to be wrong in the kitchen ...

19 March
Who Is the Mother Picture Riddle

Can you find the mother of the baby in t...

18 March
Lighter Than Air Riddle

I'm lighter than air but a thousand men ...

17 March
3 Tigers 3 Sheep Riddle

If 3 tigers catch 3 sheep in 3 minutes. ...

16 March
Cow Rebus

Decode the below cow rebus....

Puzzles Tags :

Illusions Tags :