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

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

what does the below rebus means?

If eleven plus two equals one, what does nine plus five equal?

What breaks yet never falls, and what falls yet never breaks?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

What does does this rebus picture means ?

Before Mount Everest was discovered, what was the highest mountain in the world?