CSC Company Numerical Ability Area and Volume

If a 1 mm thick paper is folded so that the area is halved at every fold, then what would be the thickness of the pile after 50 folds ?

A. 100 km
B. 1000 km
C. 1 million km
D. 1 billion km

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CSC Other Question

In a family, a couple has a son and a daughter. The age of the father is three times that of his daughter and the age of the son is half of that of his mother. The wife is 9 years younger to her husband and the brother is seven years older than his sister. What is the age of the mother ?

A. 40 years
B. 45 years
C. 50 years
D. 60 years
First bunch of bananas has (1/4) again as many bananas as a second bunch. If the second bunch has 3 bananas less than the first bunch, then the number of bananas in the first bunch is

A. 9 B. 10
C. 12 D. 15