Quantitative Aptitude - Arithmetic Ability Questions

If tan ­-5π/3 = x, then the value of x is

When 2x + 2x = 3, then x3 + 1x + 2 value is

If x = x2+11 2 - 2, then x3 + 5x2 + 12x is

If selling price is Rs. 72 and Gain percentage = 20%, calculate the Cost Price.

A man starts walking from a place X and reaches the place Y in 12 hours. He travels 3/7th of the total distance at the speed of 3 km/hr and the remaining distance at the speed of 4 km/hr. What is the distance (in km) between X and Y?

If (x - 13)2 + (y - 4)2 = 0, then the value of y + xy - x ?

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

K is 5 years older to H. H is 3 years younger to R. R is 6 years older to C. C is 7 years younger to L. Who is the eldest?