What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

What does this Rebus Picture means ?

What can you catch but never throw?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

What does below pictogram mean?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

I have Rs.50 and I spend it in the way as below.