Quantitative Aptitude - Arithmetic Ability Questions

What is the value of [(cos32θ + 3 cos 2θ)÷(cos6θ – sin6θ)]?

At 30% discount the selling price of an article is Rs 1050. What is the selling price (in Rs) if the discount is 15%?

A square ground is to be covered by planting 100 saplings on each side. How many saplings are needed in all?

If the selling price is Rs 855 after getting a discount of 5%, what was the marked price?

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?

Profit of Rs 187200 has to be divided among three partners Amit, Brijmohan and Chiranjeev in the ratio 1:2:5. How much does Chiranjeev get?

The distance between the points (2, 7) and (k, -5) is 13. What is the value of k?

The height of a tower is 300 meters. When its top is seen from top of another tower,then the angle of depression is 60°. The horizontal distance between the bases of the two towers is 120 metres. What is the height (in metres) of the small tower?