Can you find the key in the picture below?

There is something which is always coming but never arrives?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

Can you find out the remainder when 3^300 is divided by 5?

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?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

what does the below rebus mean?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?