Which is the smallest number that you can write using all the vowels exactly once?

When it's bad luck to meet a black cat?

How can you tell a raw egg from a hard-boiled egg?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

Can you count the number of triangles in the given figure?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

You need to arrange three 7 and mathematical symbols to form number 1?

Decode the movie name from the below picture?

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

which number am I?