Spot what is wrong here in below Picture?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

In the image given, you can find several triangles. Can you count them all?

What is the last thing you take off before bed?

Why do you find that most of the buildings are deprived of the 13th floor?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

You need to arrange three 7 and mathematical symbols to form number 1?

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