Quantitative Aptitude - Arithmetic Ability Questions

If sin3A = x, then value of x is

If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are the mid points of the diagonals of the trapezium, then length of MN is

If two successive discounts of 30% and 10% are given, then what will be the ratio of marked price to selling price?

Determine the value of z in the equation: z = 20+20+20+20+...∞

If α and β are the roots of equation x2 – 2x + 4 = 0, then what is the equation whose roots are α3/β2 and β3/α2?

­ If the selling price of an item is Rs 1150 after getting a discount of 8%, what is its marked price?

In the following question, select the odd letter/letters from the given alternatives.

The simplest value of 38-212+20318-227+45 is