I have eight fingers and two thumbs but I do not live. What Am I?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Can you find out the remainder when 3^300 is divided by 5?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What is the next number in the series?

15 29 56 108 208 ?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?