There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

By what process could you make a 'Tea-Table' into food?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

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?

I always drive my customer away.

Who am I?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.