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

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

If 21x = 79x, what is the value of x?

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.

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

Prove that the below maths equation is true.

8 + 8 = 91

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?