Quantitative Aptitude - Arithmetic Ability Questions

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

If -5x3+2 = x-6, then find the value of x?

Rohit buys a ball for Rs 450 and sells it. Rohit gives two successive discount of 20% and 5% to the customer. What will be the selling price (in Rs) of the ball?

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

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

An equilateral triangle of area 300 cm2 is cut from its three vertices to form a regular hexagon. Area of hexagon is what percent of the area of triangle?

Diameter of wheel of a cycle is 21 cm. The cyclist takes 45 minutes to reach a destination at a speed of 16.5 km/hr. How many revolutions will the wheel make during the journey?

If PQ and PR be the two tangents to a circle with centre O such that ∠QPR = 120° then ∠POQ is