Replace the question mark with the correct number.

What does the below rebus puzzle mean?

Find the value of "?" in the ball picture Riddle below:

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

I’m tall when I’m young, and I’m short when I’m old. What am I?

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.

An explorer goes on an exposition in the jungle. He sets up camp in the middle of the jungle. The next morning he sees something with a head and a tail, but he is not afraid. What did he see in his bag?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?