• Views : 80k+
  • Sol Viewed : 20k+

Mind Teasers : Hard Probability Brain Teaser

Difficulty Popularity

There are two houses - House P and House Q. In both P and Q lives a family with two children each.

The House P has a family with a boy who loves to play football. Their other child likes to swim.

The house Q has a family with a six year old boy who loves to read and they have just had a new baby.

You are asked:
Which of the given houses is likely to have a girl child?

What will you answer?

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

Mind Teasers : Toughest Number Series Question

Difficulty Popularity

Solve the number series by identifying the last number.

1 4 5 6 7 9 11 ?

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

Mind Teasers : 4 + 9 != 13

Difficulty Popularity

If the following is true, can you find the value of (4 + 9)?

7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

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

Mind Teasers : Crossing Bridge Brain Teaser

Difficulty Popularity

Four friends need to cross a dangerous bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

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

Mind Teasers : 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?

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

Mind Teasers : Infosys Logic Brain Teaser

Difficulty Popularity

Imagine a picture in your mind. There is a rose plant. A few roses have grown up in the plant. There are a few bees hovering over them.

Now read the given statements carefully:
1) If every one of the bees lands on a rose, one of them won't get a rose.
2) If two bees share rise together, then there will be one rose left without any bee.

Can you find out the number of roses on the plant and the number of bees?

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

Mind Teasers : Awesome Clock Puzzle

Difficulty Popularity

Time 12:21 is a palindrome as it reads the same forwards or backwards.
Whats the Whats the shortest interval between two palindromic times ?

example => 11:11 and 12:21 has interval of 1 hr 10 minutes.

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

Mind Teasers : Math Number Riddle

Difficulty Popularity

A man wanted to get into his work building, but he had forgotten his code. However, he did remember five clues. These are what those clues were:

The fifth number plus the third number equals fourteen.

The fourth number is one more than the second number.

The first number is one less than twice the second number.

The second number plus the third number equals ten.

The sum of all five numbers is 30.

What were the five numbers and in what order?

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

Mind Teasers : Popular Logical Brain Teaser

Difficulty Popularity

A couple had to take shelter in a hotel for they could not proceed their journey in the rain. Having nothing to do at all, they started playing cards. Suddenly there was a short circuit and the lights went off. The husband inverted the position of 15 cards in the deck (52 cards normal deck) and shuffled the deck.

Now he asked his wife to divide the deck into two different piles which may not be equal but both of them should have equal number of cards facing up. There was no source of light in the room and the wife was unable to see the cards.

For a certain amount of time, she thought and then divided the cards in two piles. To the husband’s astonishment, both of the piles had equal number of cards facing up.

How did she do it?

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

Mind Teasers : Harry Potter And Prisonor of Azkaban Riddle

Difficulty Popularity

Think of a person living in a disguise
The one who also deals in secrets and speaks nothing other than lies
Now think of a thing thats always the last to mend
Whats the middle of the middle and also the end of the end?
Now think of the sound that you have often heard
When you were searching for a difficult-to-find word
Now if you can join them together and you can answer this
Which creature would you be reluctant to kiss?

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

Mind Teasers : Logic Fruits Riddle

Difficulty Popularity

There is a box full of fruits,
all but two are grapes,
all but two are apples,
and all but two are oranges.

How many fruits are in the box ?

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