What has many keys but can’t open a single lock?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

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 do you call a fish without an eye?

What is the below Rebus indicate?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

What does this below rebus puzzle mean?