Can you solve this picture maths equation?

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.

A father's child, a mother's child, yet no one's son.

Who am I?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

A man dies of old age on his 25 birthday. How is this possible?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

who is silent in the parliament?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

I know a nine-letter word having only one vowel.
Do you ?

'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!