How can you take 2 from 5 and leave 4?

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

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

What is black when you buy it, red when you use it, and gray when you throw it away?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Can you count the number of quadrilaterals in the picture below?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.