How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

How can you tell a raw egg from a hard-boiled egg?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

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?

Solve this riddle by finding the odd one out from the rest.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

How many letters are in the alphabet?

What does this rebus riddle means ?

Can it be possible to build a house that has all its four walls facing towards the South?

Can you count the number of blocks in the picture below?