How many words can a pen with half refill write?

What is the below Rebus indicate?

Can you find out the missing number in the grid?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

Move three sticks of the spiral below to form a square.

What has 13 hearts but no other organs?

What is the next number in the series?

15 29 56 108 208 ?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

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

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?