A. 76 kg
B. 76.5 kg
C. 85 kg
D. Data inadequate
E. None of these
The average height of 25 boys is 1.4 m. When 5 boys leave the group, then the average height increase by 0.15 m. What is the average height of the 5 boys who leave ?
When a commodity is sold for Rs. 34.80, there is a loss of 2%. What is the cost price of the commodity?
David got two and a half times as many marks in English as in History. If his total marks in the two subjects are 140, the marks obtained by him in English are: