Quantitative Aptitude - Arithmetic Ability Questions

A man borrowed some money and agreed to pay-off by paying Rs 3150 at the end of the 1st year and Rs 4410 at the end of the 2nd year. If the rate of compound interest is 5% per annum, then the sum is

If xy = 48 and x2 + y2 = 100, then (x + y) is

A can do a piece of work in 10 days and B in 12 days. With help of C, they finish the work in 4 days. In how many days C alone can do the same work?

A home theatre set is Rs. 4950. If two successive discounts of 20% and 15% are given, then its selling price is

A train travels 20% faster than a car. Both start from point A at the same time and reach point B, 180 km away at the same time. On the way the train takes 30 minutes for stopping at the stations. What is the speed (in km/hr) of the train?

A Bus travels at the speed of 36 km/hr, then the distance covered by it in one second is

In a class of 100 students, the average weight is 30 kg. If the average weight of the girls is 24 kg and that of the boys is 32 kg, then what is the number of girls in the class?

After a discount of 23% an article is sold for Rs 1848. What is the marked price (in Rs) of the article?