Quantitative Aptitude - Arithmetic Ability Questions

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

If x = cosecθ - sinθ and y = secθ - cosθ, then the relation between x and y is

The bus fare between two cities is increased in the ratio 11:18. What would be the increase in the fare, if the original fare is Rs 550?

If 5/6th of 7/6th of a number is 140, then 9/4th of that number is

Given: 6x + 2(6-x) > 2x -2 < 5x/2 - 3x/4; then x can take which of the following values?

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

Cost of 4 pens, 6 note books and 9 files is Rs 305. Cost of 3 pens, 4 notebooks and 2 files is Rs 145. What is the cost (in Rs) of 5 pens, 8 notebooks and 16 files?

The value of x for which the expressions 15x + 4 and 13x - 2 become equal is ______