When we see 2 but call 10?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

What do you see in the given picture?

Count the number of squares in the picture below.

What's a single-digit number with no value?

You can see it everyday, But cannot touch it at will. What is it?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?