Quantitative Aptitude - Arithmetic Ability Questions

x and y are two numbers such that their mean proportion is 16 and third proportion is 128. What is the value of x and y?

If A : B = 1 : 4 and B : C = 2 : 3, then what is A : B : C?

If 2x - 3(2x - 2) > x - 1 < 2 + 2x; then x can take which of the following values?

What is the value of sec 330°?

A car travels a certain distance at 24 km/h and comes back at 36 km/h. Find the average speed for total journey.

A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?

If the profit is 20%, then what will be the ratio of cost price to selling price respectively?

A rice trader buys 12 quintals of rice for Rs 1,870. 15% rice is lost in transportation. At what rate should he sell to earn 20% profit?