Can you count the number of triangles in the given picture?

In the four images below, can you find the odd one out?

What is the next number in this series?

4,12,84,3612....

A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

What work can one never finish?

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

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

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Find the next number in the following series:
6, 14, 26, 98, __?