Mind Teasers : Fun With Maths Riddle

Difficulty Popularity

Let us say there are two natural numbers 'A' and 'B'. We performed eight operations on two numbers as

Step-1: A = B
Step-2: A x A = B x A
Step-3: A^2 - B^2 = AB - B^2
Step-4: (A + B)( A - B) = B(A - B)
Step-5: A + B = B
Step-6: B + B = B
Step-7: 2B = B
Step- 8: 2 = 1

What's the trick?
category : MATHS | EQUATION

Suggestions

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 : Popular Logic Picture Grid Problem

Difficulty Popularity

We have 4 blue, 4 red, 4 green and 4 yellow hats. All the hats must be labelled with an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’ in a manner that one sign is used on a particular color only once. Now these hats must be arranged in a 4x4 grid in a manner that no two rows or columns have a repeating color or sign.

To give you a kick start, we have arranged 4 hats in the grid. Can you place the rest of them ?

category : LOGIC | PICTURE

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 ?
category : LOGIC | MATHS

Mind Teasers : Football 2014 World Cup - The Pots Quiz Riddle

Difficulty Popularity

You need to pick one entry from potA and one from potB to have a perfect match.
Can you do it?

This will test your football knowledge of 2014 football world cup.

category : LOGIC

Mind Teasers : Be Detective And Find The Thief Puzzle

Difficulty Popularity

You need to be a detective and need to find the thief in the puzzle below?

category : MYSTERY | PICTURE

Mind Teasers : Logical Bank Brain Teaser

Difficulty Popularity

A bank customer had Rs.100 in his account. He then made 6 withdrawals, totaling Rs.. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
Rs.50 Rs.50
Rs.25 Rs.25
Rs.10 Rs.15
Rs.8 Rs.7
Rs.5 Rs.2
Rs.2 Rs.0
Rs.100 Rs.99


Why are the Totals not exactly right ?
category : LOGIC | MATHS

Mind Teasers : Smart Women Thinking Riddle

Difficulty Popularity

One man was moving to and fro in worry when a bright woman noticed him. On asking he told her that while replacing his tire, he incidentally dropped all the four nuts into a deep drain. She told him what to do and he was then able to drive back successfully till his office.

What did she say to him?
category : LOGIC | TRICK

Mind Teasers : Three Magic Numbers Puzzle

Difficulty Popularity

Find three magic number such that ?

* Product of three numbers is prime.
* 2nd number - 1st number = 3rd number - 2nd number
category : LOGIC | MATHS

Mind Teasers : Tough Number Problem Riddle

Difficulty Popularity

Find smallest number that you can write using all the vowels(A,E,O,I,U) exactly once?
category : LOGIC | MATHS

Mind Teasers : Classic Five Tablet Puzzle

Difficulty Popularity

Roy was suffering from severe headaches. He went to see his doctor and the doctor gave him five tablets asking him to take one tablet every 15 minutes.

How much time will it take Roy to consume all the five tablets?

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

Latest Puzzles

01 May
Minimum Move Chess Game Video Riddle

Can you figure out the minimum number of...

30 April
A numeric lock has 3 digit key Riddle

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

29 April
What's wrong in the kitchen picture

What appears to be wrong in the kitchen ...

28 April
Who Is the Mother Picture Riddle

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

27 April
Lighter Than Air Riddle

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

26 April
3 Tigers 3 Sheep Riddle

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

25 April
Cow Rebus

Decode the below cow rebus....

Puzzles Tags :

Illusions Tags :