Which alphabet letter is a question?

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?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

How can you make number one disappear by adding something to it?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?