Quantitative Aptitude - Arithmetic Ability Questions

ΔABC is similar to ΔPQR. Length of AB is 18 cm and length of the corresponding side PQ is 12 cm. If area of ΔABC is 324 sq cm, what is the area of ΔPQR?

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?

To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?

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?

What is the value of √[(1 + sinA)/(1 -­ sinA)]?

If a = 5, b = 4, c = 8 then find the value of (a3 + b3 + c3 - 3abc)/(ab + bc + ca - a2 - b2 - c2)

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

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