Quantitative Aptitude - Arithmetic Ability Questions

In an examination, 35% of total students failed in Hindi, 45% failed in English and 20% failed in both. Find the percentage of those studnets who passed in both the subjects ?

If the speed of a boat in still water is 20 km/hr and the speed of the current is 5 km/hr, then the time taken by the boat to travel 100 km with the current is

Of the 5 subjects, the average marks of Rakesh in first 3 Subjects was 79 and the average marks in the last 3 subjects was 86. If his marks in the third subject was 80, then what was his average marks in all the 5 subjects?

A man travels 50 km at speed 25 km/h and next 40 km at 20 km/h and there after travel 90km at 15 km/h. His average speed is

What is the angle between the two hands of a clock when the time shown by the clock is 8 p.m.?(in degrees)

If the selling price is Rs 728 after getting a discount of 9%, what was the marked price?

Two successive discounts of 10% and 20% are equivalent to a single discount of

The compound interest earned in two years at 8% per annum is Rs 4160. What is the sum (in Rs) invested?