Quantitative Aptitude - Arithmetic Ability Questions

If x + 3 ≤ 4x + 4 and 3(4 - x) - 4 ≥ 2x - 2, then x can take which of the following values?

The median of the numbers 14, 12, 12, 16, 13 and 18 is

The mean of marks secured by 30 students in division-A of class X is 67, 55 students of division-B is 63 and that of 40 students of division-C is 61. What is the mean of marks of the students of three divisions of Class X?

Which of the following quadratic equations has real roots?

If cot 60° + cosec 60° = x, then the value of x is

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 5% per annum is Rs 45. The sum is

tan2Asin2Ais equal to

What is the value of cosecA/√(cosec2A ­- 1)?