What number do you get when you multiply all of the numbers on a telephone's number pad?

How many triangles are there in the picture below?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Can you solve the below geography rebus by decoding the below rebus ?

Find the next number in the series below

21 32 54 87 131 ?

What makes this number unique: 8,549,176,320?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?