Quantitative Aptitude - Arithmetic Ability Questions

The simple interest on a sum for 5 years is Rs 16800. The rate of interest for the first 3 years is 8% per annum and for the next 2 years is 12% per annum. What is the value (in Rs) of sum?

10 identical solid spherical balls of radius 3 cm are melted to form a single sphere. In this process 20% of solid is wasted. What is the radius (in cm) of the bigger sphere?

A missile travels at 1440 km/h. How many metres does it travel in one second?

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

The sum of two angles of a triangle is 116o and their difference is 24o . The measure of smallest angle of the triangle is

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

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

The difference between cost price and selling price is Rs 575. If profit percentage is 23%, then what is the selling price (in Rs)?