Radha's present age is three years less than twice her age 12 years ago. Also the respective ratio between Raj's present age and Radha's present age is 4 : 9. What will be Raj's age after 5 years?
Rajni purchased a mobile phone and a refrigerator for Rs. 12,000 and Rs. 10,000 respectively. She sold the refrigerator at a loss of 12 percent and mobile phone at a proflt of 8 percent. What is her overall loss/profit ?
The average age of seven boys sitting in arow facing North is 26 years. If the average age of first three boys is 19 years and the average age of last three boys is 32 years,what is the age of the boy who is sitting in middle of the row ?
The speed of a car is 1.5 times the speed of a bus. If the car travels at the speed of 60 km/ hr., what will be the difference in the time taken by the bus and the time taken by the car to cover 720 km ?
The respective ratio between the speeds of a car, a train and a bus is 5 : 9 : 4. The average speed of the car, the bus and the train is 72 kmph together. What is the average speed of the car and the train together ?
