Which number should replace the question mark?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

What can you serve, but never eat?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

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?