The average speed of a truck is $4\over5$ th the average speed of a car. The car covers 520 km in 8 hours. How much distance (in km) will the truck cover in 9 hours?

The cost of tiling a rectangular room is Rs. 6,448 at the rate of Rs. 62 per square ft. The length of the room is 6 ft less than the side of a square whose area is 361 square ft. What is the breadth of the rectangular room?

Salim takes 8 days to finish a piece of work. Manoj takes 12 days to finish the same piece of work. Raj works twice as fast as Salim. How many days will all three of them together take to finish the same piece of work?

In each of these questions, one question is given followed by data in three statements I, II and III. You have to study the questions and the data in statements and decide if the question can be answered with data given in which of the statements below and mark the approriate option as your answer accordingly. What is the rate of interest pcpa?

Statements: I. The difference between the compound interest and simple interest earned in two years on the amount invested is Rs. 100. II. The amount becomes Rs. 19,500 in three years on simple interest. III. The simple interest accrued in two years on the same amount at the same rate of interest is Rs. 3,000.

In each of these questions, one question is given followed by data in three statements I, II and III. You have to study the questions and the data in statements and decide if the question can be answered with data given in which of the statements below and mark the approriate option as your answer accordingly. What is the speed of the train in kmph?

Statements: I. The train crosses an 'x' metre-long platform in 'n' seconds. II. The length of the train is 'y' metres. III. The train crosses a signal pole in 'm' seconds.