Quantitative Aptitude - Arithmetic Ability Questions

If tan π/3c + cosec π/6c = x, then x is

The railway fares of air conditioned sleeper and ordinary sleeper class are in the ratio 4:1. The number of passengers travelled by air conditioned sleeper and ordinary sleeper classes were in the ratio 3:25. If the total collection was Rs. 37,000, how much did air conditioner sleeper passengers pay?

If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?

A 220 metres long train takes 33 seconds to cross a 440 metres long bridge. How much time (in seconds) will the train take to cross a 350 metres long bridge?

A retailer gets a discount of 40% on the printed price of an article. The retailer sells it at the printed price. His gain percent is

If √(1 - cos2A)/cosA = x, then the value of x is

If the selling price of an item is Rs 9750 after getting a discount of 25%, then what was its marked price (in Rs)?

Two numbers are in the ratio 5:6 when 6 is added to each, the ratio becomes 7:8 then the numbers are