The prices of a scooter and television set are in the ratio of 3 : 2. If a scooter costs Rs. 600 more than the television set, then the price of television set is
The daily earnings of a taxi driver during a week are: Rs. 60, Rs. 65, Rs. 70, Rs. 52.50, Rs. 63, Rs. 73 and Rs. 68. What is his average daily earning for the week ?
In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If the attempts all 75 questions and secures 125 marks, the number of questions he attempts correctly, is: