Quantitative Aptitude - Arithmetic Ability Questions

A mason can build a wall in 18 hours. After 9 hours he takes a break. What fraction of the wall is yet to be built?

If curved surface area of a cylinder is 616 sq cm and height is 14 cm, find its radius?

1/3 part of a certain journey is covered with the speed of 25 km/hr, 1/2 part of the journey is covered with the speed of 45 km/hr and the remaining part covered with the speed of 37.5 km/hr. What is the average speed (in km/hr) for the whole journey?

A can complete a work in 20 days and B can complete the same work in 25 days. If both of them work together, then in 3 days what percent of the total work will be completed?

Select the odd word from the given alternatives.

If cot π/3c -­ tan π/4c = x, then the value of x is

For triangle ABC, find equation of median AD if co-ordinates of A, B and C are (-1,-3), (5,-4) and (3,2) respectively?

Find two numbers such that their mean proportion is 12 and third proportion is 768.