Quantitative Aptitude - Arithmetic Ability Questions

If x = 1 + √2 + √3 , then the value of 2x4 - 8x3 - 5x2 + 26x - 28 is

Find equation of the perpendicular bisector of segment joining the points (2,­6) and (4,0)?

The sum of a non-zero number and its reciprocal is 2. What is the number?

Which of the following is the largest number among 2, 33, 4, 53

Pipe A can empty a filled tank in 28 hours while Pipe B can fill the same tank, when empty in 35 hrs. If alternatively Pipes A and B are turned on for an hour each time, starting when the tank is full, how long will it take to empty the tank?

The area of a semicircle is 1925 sq.cm. Calculate its perimeter (in cm).

In Δ ABC , if ∠BAC = 90° and AB = AC , then ∠ABC is

In an isosceles triangle ABC, AB = AC, XY || BC. If ∡A = 30, then ∡BXY =