A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

What does below Rebus say?

XLR8

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Find the next number in the sequence

5 12 24 36 ?

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

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

There was a strange boy who was born before his father. How can this be possible?