You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

It belongs to you, but other people use it more than you do. What is it?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=