Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd word from the given alternatives.

If the shopkeeper sells an item at Rs 960 which is marked as Rs 1200, then what is the discount he is offering?

When a number is increased by 18, it becomes 106% of itself. What is the number?

Ankit scored 32, 45 and 49 marks in Physics, English and Philosophy respectively. The maximum marks in each subject is 50. Determine his overall percentage for the three subjects.

If x+1x ≠0 and x3+1x3 = 0, then the value of x+1x4 is :

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area(in cm2) of the triangle?

The simplest form of 3565/1495 is

XYZ is a right angled triangle and ∠Y = 90°. If XY = 2.5 cm and YZ = 6 cm then the circumradius of ∆XYZ is