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

What 5-letter word typed in all capital letters can be read the same upside down?

Do you know who was buried in John's tomb?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

What does this rebus mean?

O
N
C
E
TIME

If your uncle’s sister is not your aunt, what relation is she to you?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

Kohli and Dhoni decided to have a paintball match.
Kohli told Dhoni, "Sir it is not right as you got thrice the paintballs I have".

Dhoni instantly gives Kohli 10 hit paintballs.
Kohli replied, "Sir, I believe you still have twice the paintballs than I have".

Dhoni gives "?" more paintballs to Kohli.
Kohli replied, "Sir it is even now, Let us have a match".

What is "?".