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

Identify the hidden meaning behind this picture?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Which is heavier: a ton of bricks or a ton of feathers?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

When we see 2 but call 10?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag