Quantitative Aptitude - Arithmetic Ability Questions

The marked price of an article is Rs 2400. It is sold at two successive discounts of 10% and 15%. What is the selling price (in Rs) of the article?

If x = 2 +√3, y = 2 – √3 and z = 1, then what is the value of (x/yz) + (y/xz) + (z/xy) + 2 [(1/x) + (1/y) + (1/z)]?

What is the value of sin(11π/6)?

If cosA = x, then x is

By increasing the price of entry ticket to a fair in the ratio 13:16, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?

Select the odd letters from the given alternatives.

If (6x ­- 5) = (4x + 7), then the numerical value of (x + 1)3  is

Of the 3 numbers whose average is 70, the first is 1/9 times the sum of other 2. The first number is