I am a prime number.
The double of myself is equal to the square of me.

which number am I?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

Decode this picture on T-Shirt and tell what it says ?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

I am quite hot but become too cold if you remove the first two letters. What am I?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?