What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Name a key which is hardest to turn.

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

How many letters are in the alphabet?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

What month of the year has 28 days?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?