Quantitative Aptitude - Arithmetic Ability Questions

The area of the largest triangle that can be inscribed in a semicircle of radius 6m is

Vikram and Vivek can finish a work in 50 days. They worked together for 20 days and then left. How much work has been done by them?

The difference between cost price and selling price is Rs 494. If loss percentage is 19%, then what is the selling price (in Rs)?

If the perimeter of a semi-circle is 108 cm, then find its radius (in cm).

Consider the figure shown below which consists of the triangle ABC which touches the circle with centre at O. Which of the following options is CORRECT?

X and Y are the mid points of sides AB and AC of a triangle ABC. If BC+XY=12 units, then BC-­XY is

If A = 30°, B = 60° and C = 135°, then what is the value of sin3A + cos3B + tan3C – 3sin A cos B tan C?

In an army selection process, the ratio of selected to unselected candidates was 9:2. If 80 less had applied and 20 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?