Quantitative Aptitude - Arithmetic Ability Questions

What is the distance between the points (11,-5) and (-1,0)?

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

What is the simplified value of (cos A + sin A)(cot A + tan A)?

If x = 11, the value of x5 - 12x4 + 12x3 - 12x2 + 12x - 1 is

Two students appeared for an examination. One of them secured 22 marks more than the other and his marks were 55% of the sum of their marks. The marks obtained by them are _______.

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% per annum is Rs 900. What is the value of given sum (in Rs)?

If -5x3+2 = x-6, then find the value of x?

A shopkeeper sells wheat at a profit of 20% and for weighing uses a weight which is 10% less than the actual weight. What is his total profit percentage?