If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

Remove two matchsticks to make the below equation correct.

Do You See It?

Replace the question mark with the correct number in below Picture:

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.

Which is the correct shadow of the bird?

Find the missing letter in the last circle logically in the given below picture.

Can you make a six-letter word using the letters N, A and B ?