What time is it when an elephant sits on a fence?

Can you place three balls such that the equation shown in the picture holds true?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

What's the only room from which no one can enter or leave

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

Can you fill the blank with the correct number?

6 30 870 756030 _____

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Rearrange the letters in "new door" to make one word.