What is so fragile that saying its name breaks it?

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 ?

What goes up but never comes down?

Which is the rope you never skip with?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

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 Adam and Eve do not have but the rest of the people have?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Why is the Hole below a Lock?