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

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

Can you start the fire using two pieces of wood?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Solve below rebus puzzle?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

What is the word or phrase below?
R | E | A | D

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??