What is always in front of you but can’t be seen?

Can you make four (4) nines (9) equal 100?

A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?

Which digit occurred maximum times between the number 1 and 1000?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

I shave every day, but my beard stays the same. What am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?