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

What is the next number in this series?

4,12,84,3612....

Replace the question mark with the correct number.

What does this below rebus puzzle mean?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

You need to move three matchsticks to form three squares. Can you do it?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What number when divided in half becomes zero?