Mind Teasers : Perfect Number Maths Question

Difficulty Popularity

A perfect number is defined as a positive number(integer) which is equal to the sum of its positive divisors excluding the number itself.

two examples are mentioned below as :
6 => 1+2+3
12=> 1+2+3+6


Can you find another perfect number which consist of <= 2digits.
category : LOGIC | MATHS

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Mind Teasers : Famous Lion Tamer Interesting Puzzle

Difficulty Popularity

You are trapped with a lion in a cage with 1 unit as its radius. Both you and the lion can run effortlessly at the speed of one unit.

1) The lion is quite hungry and all he wants is to catch you and eat you up. Will he be able to do that?
2) If yes, how long do you have till he does that?
category : LOGIC

Mind Teasers : Impossible Brain Teaser

Difficulty Popularity

In a recreational activity, you are given four different jars of 2 liters, 4 liters, 6 liters and 8 liters respectively with an unlimited water supply. Then you are asked to measure exactly 5 liters of water using them.

How will you do it?

Mind Teasers : Nice Mathematics Riddle

Difficulty Popularity

Aishwarya Rai walks into a bank to cash out her check.
By mistake the bank teller gives her dollar amount in change, and her cent amount in dollars.
On the way home she spends 5 cent, and then suddenly she notices that she has twice the amount of her check.

How much was her check amount ?
category : LOGIC | MATHS

Mind Teasers : Shortest Who Am I

Difficulty Popularity

Who am I?

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?
category : LOGIC

Mind Teasers : Find Out Who Survives Riddle

Difficulty Popularity

100 people are standing in a circle. The person standing at number 1 is having a sword. He kills the person next to him with the sword and then gives the sword to the third person. This process is carried out till there is just one person left.

Can you find out who survives?
category : LOGIC | MATHS

Mind Teasers : Three Errors In Sentence Problem

Difficulty Popularity

Can you fynd three errors in that puzzle?
category : LOGIC | TRICK

Mind Teasers : Eight Eights Brain Teaser

Difficulty Popularity

Using eight eights and addition only, can you make 1000?
category : LOGIC | MATHS

Mind Teasers : Indian Jones And The Cellular jail (Kala Pani) Treasure Riddle

Difficulty Popularity

Indian jones went to Andaman(India) for the holiday where he came to know that there is a big treasure hidden here. The Map of the treasure is hidden somewhere in the cellular jail.
The Map location is hidden in the cipher below.

"roolF mooR gnignaH ehT edisnI neddiH sI paM erusaerT"

What is the map location?


category : LOGIC | CIPHER

Mind Teasers : 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?

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