What work can one never finish?

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

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

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

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

My location can be determined by the below rebus.
So where am i ?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

Can you solve the photo plexer logic ?

How can you take 2 from 5 and leave 4?