Mind Teasers : Simple Algebra Equation Riddle

Difficulty Popularity

If,
1 * 3 * 5 = 16
3 * 5 * 7 = 38

Then find,
5 * 7 * 9 =?
category : MATHS | EQUATION

Suggestions

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 : Children Age Football Count Puzzle

Difficulty Popularity

At a local club party at Chelsea club house, four ladies were there with their four children who aged 1, 2, 3 and 4. Also, these children have one, two, three and four footballs with the different order.

We know the below facts:
Aina has more footballs that his age.
Kalas is older than Zouma.
One child has the same number of footballs as his age.
Ake has fewer footballs than Kalas.
Child aged 3 has two footballs.

Ake is the youngest.

Can you determine the age of the children and the number of football they have?

category : MATHS

Mind Teasers : Dirt Hole Tricky Riddle

Difficulty Popularity

How many cubic meters of dirt are in a hole of 20 meter long and 30 meter wide.

Mind Teasers : Maths Equation Brain Teaser

Difficulty Popularity

Arrange four eights(9) and a one(1) and only one mathematical symbol to make it equal to 100

Mind Teasers : Tricky Logical Puzzle

Difficulty Popularity

There are two arch enemy Dhuryodhan and Bheem.
One day two are going together and a god appeared in from of them.
The God grant three wishes to Bheem and one to Dhuryodhan.

Dhuryodhan replied smartly 'Give me twice of whatever Bheem ask for'.

For 1st wish Bheem asked the god 'Give me a room full of money'. Soon Dhuryodhan gets two room full of money.
For 2nd wish Bheem asked the god 'give me 100 slaves'. Soon Dhuryodhan gets 200 slaves.

Whats should be Bheem third wish ?
category : LOGIC

Mind Teasers : Cool Equation Riddle

Difficulty Popularity

If 1 + 9 + 11 = 1, Then what is the value of

12 + 11 + 9 = ?

Mind Teasers : Hard Ten Boxes Interview Puzzle

Difficulty Popularity

You have ten boxes and an electronic weighing machine. In those ten boxes, you have chocolates. Each chocolate weigh 20 grams. But in one box the chocolates are defective and each weigh 19 grams exactly.

Now you can weigh in the electronic weighing machine but you can use that machine just once. How will you find out which box has the defected chocolates.
category : LOGIC

Mind Teasers : Logical Problem

Difficulty Popularity

Four stupid friends meet each other after long time.They are so stupid that they start talking about their suits

* There were a total of eight suits, two in each color, black, brown, pink and white.
* Each friend owned two suits.
* No friend had two suits of the same color.
* Ganpat don't have a white suit.
* Harish don't have a black suit, but did have a brown one.
* One of the friends had a white suit and a pink suit and another friend had a brown suit and a pink suit.
* Manoj had a white suit.
* Tarun had a pink suit, but don't have a brown one.

Can you work out which friend had which color suits?
category : LOGIC

Mind Teasers : Famous Cross The River Logic Puzzle

Difficulty Popularity

Michelangelo is being chased by a couple of cannibals who will kill him as soon as they get a hold of him. The only way to get rid of them is crossing the river bridge made of ropes and cut it on reaching the other end. He have found two diamonds in the woods each weighing 8 lbs. The rope is weak and can only accommodate a weight of 150 lbs. He weighs 140 lbs. Still he manages to cross the bridge and get rid of the cannibals with the diamonds without taking off any kind of clothing.

How?
category : LOGIC

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

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