What always comes into a house through the keyhole?

When is the top of a mountain similar to a savings account?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

All Marigolds are flowers.
Few Flowers are used to make colors.
Therefore, some Marigold are used to make colors.

True Or False?

People put me on the table and cut me but do not eat me. What am I?

Can you count the number of lines in the below picture?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What goes up but never comes down?