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

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Name a key which is hardest to turn.

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Can anyone tell me a word in the English dictionary which has a silent 'z'?