Quantitative Aptitude - Arithmetic Ability Questions

What is the HCF (highest common factor) of 57 and 513?

If the selling price of an item is Rs 1000 after getting a discount of 20%, then what was the marked price (in Rs)?

The population of a town is 200000. It increases annually at the rate of 10%. What will be the population after 2 years?

A vendor buys bananas at 12 for Rs 50 and sells at 5 for Rs 40. What will be the gain (in %)?

A thief is stopped by a policeman from a distance of 350 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of the policeman as 7 km/h, how far the thief would have run, before he is over- taken?

To cover a distance of 225 km in 2.5 hours what should be the average speed of the car in meters/second?

In the following question, select the odd letters from the given alternatives.

What is the value of (-7776)25