What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

Tell me the Hindi name of a Vegetable which if we remove 1st word will become a precious Stone and by removing the last word it will become a sweet eatable.

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

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Find the hidden tiger in the given optical illusion ?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

What makes this number unique: 8,549,176,320?