Quantitative Aptitude - Arithmetic Ability Questions

Area of 4 walls of a cuboid is 448 sq cm, its length is 18 cm and height is 8 cm. What is its breadth (in cm)?

If 1 + secA = x, then the value of x is

If x = 1 – y and x2 = 2 – y2, then what is the value of xy?

If the length of the side of an equilateral triangle is 8 cm, what is its area?

The third proportional of two numbers 4 and 20 is

A book seller allowed 10% discount on printed price. He gets 30% commission from publisher. His profit in percent will be

4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

Bhanu takes a total of 6 hrs 50 min in walking a distance and running back to same place where she started. She could walk both ways in 8 hrs 30 min. The time taken by her to run both ways is :