Quantitative Aptitude - Arithmetic Ability Questions

If 2x+29x = 4, then the value of 27x3+127x3

∆LMN is right angled at M. If m ∠N = 45°. What is the length (in cm) of MN, if NL = 6√2 cm?

In ΔUVW measure of angle V is 90 deg. If cosecU = 13/12, and UV = 2.5cm, then what is the length (in cm) of side VW?

If a + b = 10 and ab = 21, then the value of (a - b)2 is

If P = 5X and Q = X, then P is how much percentage more than Q?

What will be the next set of numbers in the series? (2,3), (3,5), (5,7), (7,11), (11,13), ___

An octahedron has 6 vertices. How many edges does it have?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 18% per annum is Rs 81. The sum is ____.