Logic Brain Teasers are completely based on logical thinking. They make you think and you need to be logical in your reasoning.
Lets solve some of the logic brain teasers.
  • Views : 70k+
  • Sol Viewed : 20k+

Logic Brain Teasers #1 - Most Popular Logical Puzzle

Difficulty Popularity

Outside a room there are three light switches. One of switch is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb ??

  • Views : 70k+
  • Sol Viewed : 20k+

Logic Brain Teasers #2 - Most Popular Monty Hall Brain Teaser

Difficulty Popularity

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.

After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter ?

  • Views : 60k+
  • Sol Viewed : 20k+

Logic Brain Teasers #3 - Guard Door Riddle

Difficulty Popularity

You are in a strange place which is guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there.
What should you ask?

  • Views : 80k+
  • Sol Viewed : 20k+

Logic Brain Teasers #4 - Famous Egg Floor Riddle

Difficulty Popularity

* You are given 2 eggs.
* You have access to a 100-story building.
* Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor.Both eggs are identical.
* You need to figure out the highest floor of a 100-story building an egg can be dropped without breaking.
* Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

  • Views : 50k+
  • Sol Viewed : 20k+

Logic Brain Teasers #5 - Thinking Age Brain Teaser

Difficulty Popularity

Two friends , Torres and Lampard, meet after a long time.

Torres: Hey, how are you man?
Lampard: Not bad, got married and I have three kids now.
Torres: That's awesome. How old are they?
Lampard: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Torres: Cool..But I still don't know.
Lampard: My eldest kid just started taking piano lessons.
Torres: Oh now I get it.

How old are Lampard's kids?

  • Views : 80k+
  • Sol Viewed : 20k+

Logic Brain Teasers #6 - Box Ball Logic Problem

Difficulty Popularity

There are three bags.The first bag has two blue rocks. The second bag has two red rocks. The third bag has a blue and a red rock. All bags are labeled but all labels are wrong.You are allowed to open one bag, pick one rock at random, see its color and put it back into the bag, without seeing the color of the other rock.

How many such operations are necessary to correctly label the bags ?

  • Views : 90k+
  • Sol Viewed : 30k+

Logic Brain Teasers #7 - Popular Interview Problem

Difficulty Popularity

I have two rectangular bars.

They have property such that when you light the fire from one end , it will take exactly 60 seconds to get completely burn.
However they do not burn at consistent speed (i.e it might be possible that 40 percent burn in 55 seconds and next 60 percent can burn in 10 seconds).

Problem is : How do you measure 45 seconds ?

  • Views : 40k+
  • Sol Viewed : 10k+

Logic Brain Teasers #8 - Popular Probability Brain Teaser

Difficulty Popularity

Kangwa, Rafael and Ferdinand plans for gun fighting.
They each get a gun and take turns shooting at each other until only one person is left.

History suggest
Kangwa hits his shot 1/3 of the time, gets to shoot first.
Rafael, hits his shot 2/3 of the time, gets to shoot next if still living.
Ferdinand having perfect record at shooting(100% accuracy) shoots last , if alive.

The cycle repeats. If you are Kangwa, where should you shoot first for the highest chance of survival?

  • Views : 70k+
  • Sol Viewed : 20k+

Logic Brain Teasers #9 - Famous Elevator Riddle

Difficulty Popularity

Tanu lives on the 13th floor takes the elevator down to the ground floor every morning and goes to her office.

In the evening, when she comes back on a rainy day , or if there are other people around in the elevator, she goes to her 13th floor directly. Otherwise, she goes to the 1oth floor and walks up three flights of stairs to his apartment.

Whats the reason for her unusual behavior ?

By Admin
  • Views : 60k+
  • Sol Viewed : 20k+

Logic Brain Teasers #10 - Sports Cricket Brain Teaser

Difficulty Popularity

Shihar Dhawan and Virat Kohli were batting on 94.
Seven runs were required to win by the team and only three balls were left.

At the end, both of them secured a century without being out.

How can this be feasible?

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

Latest Puzzles

25 July
100 Display Calculator Puzzle

Can you bring the number 100 on the calc...

24 July
Value of x Riddle

If 77x = 189x = 345x.

Wha...

23 July
Dog And The Delivery Guy Riddle

The clever delivery guy went to Alice ho...

22 July
Fenced Horses Puzzle

As shown in the image, the nine horses a...

21 July
99 > 100 Riddle

When is 99 more than 100?...

20 July
DW27-UL33-GO2 Number Series Riddle

Can you complete the Number Series below...

19 July
Matchsticks Equation Riddle

Can you make the below matchsticks equat...

Puzzles Tags :

Illusions Tags :