Freshers India

What fraction of an hour is a second?                        

Eight people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire cost of the car, then the share of each of the remaining persons increased by:                        

A man earns on the first day and spends Rs. 15 on the next day. He again earns Rs. 20 on the third day and spends Rs. 15 on the fourth day. If he continues to save like this, how soon will he have Rs. 60 in hand?                        

David gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Albert gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross ?                        

In a garden there are 10 rows and 12 columns of mango trees. The distance between the two trees is 2 metres adn a distance of one metre is left from all sides of the boundary of the garden. The length of the garden is                        

A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be: