what's the probability of getting a king or a queen from a pack of 52 cards?

What does this simple rebus mean?

Can you find out the missing number in the grid?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

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

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?