Quantitative Aptitude - Arithmetic Ability Questions

If A : B = 3 : 4 and B : C = 6 : 5 then A : (A + C) is

Select the odd word/letters/number/number pair from the given alternatives.

An angle is thrice its complementary angle. What is the measure of the angle?

A = (x8 – 1)/(x4 + 1) and B = (y4 – 1)/(y2 + 1). If x = 2 and y = 9, then what is the value ofA2 + 2AB + AB2?

Select the odd word/letters/number/number pair from the given alternatives.

If (cotAcotB - 1) / (cotB + cotA) = x, then the value of x is

A discount of 45% on an article is equal to the discount of 65% on other article. What is the respective ratio of the marked price of both the articles?

In what time will Rs.4400 become Rs.4576 at 8% per annum interest compounded half-yearly?