Take away the whole and some still remain. What is it?

Spot the cat in the picture below

How can you take 2 from 5 and leave 4?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

O_er_t_o_

Complete the missing letters of the given word.

What number do you get when you multiply all of the numbers on a telephone's number pad?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

How many letters are in the alphabet?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?