Quantitative Aptitude - Arithmetic Ability Questions

The average revenues of 7 consecutive years of a company is Rs 75 lakhs. If the average of first 4 years is Rs 70 lakhs and that of last 4 years is Rs 82 lakhs, what will be the revenue for the 4th year.

What is the difference of the cube and square of the common root of (x2 – 8x + 15) = 0 and (y2 + 2y – 35) = 0?

If 5x ­- 40 = 3x, then the numerical value of 2x -­ 11 is

By increasing the price of entry ticket to a fair in the ratio 17:19, the number of visitors to the fair has decreased in the ratio 11:10. In what ratio has the total collection increased or decreased?

What is the fourth proportional to 24, 120 and 22?

If sin (3x ­ 20°) = cos (3y + 20°), then find the value of (x + y).

tan(A/2) is equal to

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