What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

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?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

I have no life, but I can die. What am I?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

There are forty elephants and they have forty-fore heads. How can this be possible?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?