What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

I am quite hot but become too cold if you remove the first two letters. What am I?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

You need to move three matchsticks to form three squares. Can you do it?

Can you solve the photo plexer logic ?

What number should come in place of the question mark below?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

Which is faster, Heat or Cold ? Explain.