Quantitative Aptitude - Arithmetic Ability Questions

If a number is decreased by 10%, it becomes 54. To make it 72, it should be increased by

If p/q = (x+3)/(x-3), then what is the value of p2+q2p2-q2 ?

If O is the orthocentre of a triangle ABC and ∠BOC = 100°, the measure of ∠BAC is

A can paint a house in 25 days and B can do it in 10 days. Along with C, they did the job in 6.25 days only. Then in how many days, C alone can do the job?

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

If the ratio of the cost price and the selling price of an article be 4:5, then the percentage of profit is:

A shopkeeper, sold cocoa seeds at the rate Rs 1,230 a kg and bears a loss of 5%. Now if he decides to sell it at Rs 1,353 per kg, what will be the result?

In ∆UVW measure of angle V is 900. If cosecU = 13/12, and UV = 2.5 cm, then what is the length (in cm) of side VW?