Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Can you count the number of children in the picture below

How many times can you subtract the number two from the number fifty?

Can you count the number of triangles in the given figure?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Can you name an animal whose killing cannot be performed without spilling your own blood?

I travel all around the world but always stay in the corner. What am I?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?