During which month do people sleep the least?

How can you take 2 from 5 and leave 4?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

How many sides does a circle have?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

What word begins and ends with an E, but has only one letter?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.