Quantitative Aptitude - Arithmetic Ability Questions

If 3x + 2 < 2x + 1 and x ­- 4 ≤ 2x -­ 1; then x can take which of the following values?

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

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 : 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?

The speed of car B is half the speed of car A. If car A covers a distance of 120 km in 1.5 hours, what is the speed of car B?

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

On Selling a book at 9/14 of the marked price there is loss of 10%. What will be the ratio of marked price and cost price of the book?

The average of 7 numbers is 30. If the average of first three numbers is 25 and that of last three numbers is 35, then what is the fourth number?

Reflection of the point (3,-6) in the y-axis is