I have teeth but i don't bite. Who Am I ?

What does the below image rebus riddle means ?

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

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

Can you find out the missing number in the grid?

What can you deduce from the following BrainBat?

CRY
LMKI

If six children and two dogs were under an umbrella, how come none of them got wet?

What has lots of eyes, but can’t see?

The more of this there is, the less you see. What is it?