Quantitative Aptitude - Arithmetic Ability Questions

By increasing the price of entry ticket to a fair in the ratio 11:16, the number of visitors to the fair has decreased in the ratio 19:9. In what ratio has the total collection increased or decreased?

Simple interest on a sum for six months at 5% per annum is Rs 65.5.What is the value (in Rs) of sum ?

4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

If 9x - [5(2x + 1)/2] = 9/2, then the value of x is?

The average of 3 consecutive even numbers is A. If next 5 even numbers are added, then what is the average of these 8 numbers?

The least value of tan2x + cot2x is

A man can row upstream at 12 km/hr and downstream at 18 km/hr. The man's rowing speed in still water is

If 27N4 is divisible by 11, then what is the value of N?