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

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

What is both possible and impossible at the same time?

During which month do people sleep the least?