• Views : 30k+
  • Sol Viewed : 10k+

Mind Teasers : Mathematical Number Riddle

Difficulty Popularity

There is one four-digit whole number n, such that the last four digits of n2 are in fact the original number n

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

Mind Teasers : Math IQ Question

Difficulty Popularity

Adam is one of the finalist in an IQ championship. As the final test, he is provided with two hourglass. One of them can measure eleven minutes while the other one can measure thirteen minutes.
He is asked to measure exactly fifteen minutes using those two hourglasses. How will he do it ?

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

Mind Teasers : 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?

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

Mind Teasers : Impossible Maths Science Riddle

Difficulty Popularity

Cindy throws a ball from a 90 feet building. The ball is quite bouncy and when it hits the ground, it bounces back half way up. It keeps bouncing back to half way up.

How many bounces will the ball take before it comes to a permanent halt?

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

Mind Teasers : Tricky Glass Riddle

Difficulty Popularity

Six identical glasses are in a row.
The first three glasses are filled with juice, and the last three glasses are empty.
By moving only one glass, can you arrange them so that the full and the empty glasses are alternate?

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

Mind Teasers : What Do you See - Brick Optical Illusion Riddle

Difficulty Popularity

What except brick can you see in the picture below?

  • 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 ?

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

Mind Teasers : Cricket Riddle

Difficulty Popularity

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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

Mind Teasers : Math Picture Brain Teaser

Difficulty Popularity

In the photo attached with this question, you have to place the numbers from 1 to 19 in the circles such that if we add up any side of the triangle, the sum is 17.

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

Mind Teasers : Tricky Math Race Riddle

Difficulty Popularity

Rooney, Hernandez, and Robin race each other in a 100 meters race. All of them run at a constant speed throughout the race.

Rooney beats Hernandez by 20 meters.
Hernandez beats Robin by 20 meters.

How many meters does Rooney beat Robin by ?

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

Mind Teasers : Cross The River Mind Teaser

Difficulty Popularity

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

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