A radio is sold for Rs.900 at 10% profit. If it had been sold for Rs 890, what would have been the actual profit or loss?

30 oranges and 75 apples were purchased for Rs 510  If the price per apple was 2 then the average price of orange was?

A train of length 250 m crosses a platform of length 350 m in 50 seconds. In what time will the train cross a platform of length 230 m?

Madhur scored 101 marks in Hindi, 100 in Science, 96 in Sanskrit, 108 in Maths and 78 in English if the maximum marks in each subject is equal and Madhur secured 84 percent marks in all the subjects. What will be the maximum marks for each subject?

The average marks of the students of a class is 68. The average marks of girls in the class is 80 and that of boys is 60. What percentage of students are boys in the class?

If 15% of 40 is 2 more than 25% of a number, then the number will be

A car covers the first 35 km in 45 minutes and the remaining 69 km in 75 minutes. What is the average speed of the car?

What will be the compound interest of Rs 160000 payable half yearly at 10% per annum in 2 years?