Quantitative Aptitude - Arithmetic Ability Questions

At 20% discount the selling price of an article is Rs 2400, what is the selling price (in Rs) if the discount is 32.5%?

If A is 6 times more than B, then by what percentage is B is less than A?

ABCD is square and CDE is an equilateral triangle outside the square. What is the value (in degrees) of ∠BEC?

If 7x - (3/2) * (4x - 9) = 6.5, then the value of x is?

If sinθ+cosecθ=2, the value of sinnθ+cosecnθ is

The average of a,b,c is 20 and that of b,c,d is 25; if d=30, then the value of a is

A can paint a house in 45 days and B can do it in 15 days. Along with C, they did the job in 5 days only. Then, C alone can do the job in how many days?

If 3n = 2187, then the value of n is: