What runs around the whole yard without moving?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

What has hands, but can’t clap?

What have one eye but still cannot see?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

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 ?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Count the squares in the matchstick puzzle below?

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

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?