When can we add 2 to 11 and get 1 as the correct answer?

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?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

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?

What part of Turkey has the most feathers?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

In which direction should the missing arrow point?

Which is faster, Heat or Cold ? Explain.

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What kind of band never plays music?