What does this below rebus puzzle mean?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Give it food and it will live; give it water and it will die.

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

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

What came first, the chicken or the egg?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

The cream is heavier than Milk. True or False?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?