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.

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Katrina wants to go on a date and prefers her date to be tall, dark and handsome.

Of the preferred traits - tall, dark and handsome - no two of Shahrukh, Ajay, Salman and Akshay have the same number.
Only Shahrukh or Akshay is tall and fair.
Only Ajay or Salman is short and handsome.
Shahrukh and Salman are either both tall or short.
Ajay and Akshay are either both dark or both fair.
Who is Katrina's date?

What does this rebus puzzle means ?

Look at the picture and find out which square is not linked with any of the other squares.

In the picture given below, can you find out which digit will take place of the question mark?

I taste better than I can smell. Who am I?

Can you solve the rebus below?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

I have Rs.50 and I spend it in the way as below.