If an electric train is travelling south, then which way is the smoke going?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What is the word or phrase below?
R | E | A | D

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

What is the fastest way to double your money?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?