What is 3/7 chicken, 2/3 cat and 2/4 goat?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What can you deduce from the following BrainBat?

CRY
LMKI

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

If two's company, and three's a crowd, then whats four and five ?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

Which is Odd One Out and why?

4377

3954

9862

8454

9831