Can you find out the total number of triangles in the given figure?

what does this picture(rebus) riddle means ?

Why 1729 is a magic number? Answer Logically.

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

O_er_t_o_

Complete the missing letters of the given word.

There are forty elephants and they have forty-fore heads. How can this be possible?

What have one eye but still cannot see?