Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

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

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

I add 5 to 9 and get 2. The answer is correct, so what am I?