What is harder to catch the faster you run?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

How can you tell a raw egg from a hard-boiled egg?

What you cannot hold but it is yours?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What is both possible and impossible at the same time?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?