Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Can you start the fire using two pieces of wood?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _