Name a key which is hardest to turn.

Find the next number in the sequence

5 12 24 36 ?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Look at the picture and find out which square is not linked with any of the other squares.

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?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

why number 8549176320 is one of a kind?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

What is the below Rebus indicate?