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?

I shave every day, but my beard stays the same. What am I?

Spot 5 differences in two Christmas tree below:

Different lights make me strange by changing me into different sizes. What am I?

Remove two matchsticks to make the below equation correct.

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

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

What month of the year has 28 days?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

What is at the end of a rainbow?