What is so fragile that saying its name breaks it?

What English word has three consecutive double letters?

Replace the question mark with the correct number below.

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

What has to be broken before you can use it?

What came first, the chicken or the egg?

What do you answer even though it never asks you questions?

I have Rs.50 and I spend it in the way as below.

What has 13 hearts but no other organs?