Quantitative Aptitude - Arithmetic Ability Questions

Ram and Shyam undertook a work for Rs 5600. Ram alone can do the work in 5 days and Shyam alone can do the work in 9 days. If they worktogether, then what will be the difference (in Rs.) in the amount they receive?

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

What will be the acute angle between the hour-hand and the minute -hand at 2:13 p.m?

A discount series of 15%, 20% and 25% is equal to the single discount of?

At what rate of compound interest (in %) per annum will a sum of Rs. 15,000 become Rs. 18,150 in 2 years?

At 15% discount the selling price of a microwave oven is Rs 34000, what is the selling price if the discount is 37.5%?

If 1-aa3+9 = 19 - a1-a3, then what is the value of a?

In the given figure, ABC is a right angled triangle. ABC = 90 deg and ACB = 60 deg. If the radius of the smaller circle is 2 cm, then what is the radius (in cm) of the larger circle?