Quantitative Aptitude - Arithmetic Ability Questions

The height of a right circular cylinder is twice its radius of the base. If its height be 6 times its radius of the base, then the volume of the cylinder will be 539 cub.cm more. Assuming Π = 22/7, the height of the cylinder is

A sum fetched a total simple interest of Rs. 8100 at the rate of 6% per year in 9 years. What is the sum?

If 169 is subtracted from the square of a number, then the result obtained is 7056. What is the number?

The sum of a non-zero number and 4 times its reciprocal is 17/2. What is the number?

If cosecA - cotA = x, then the value of x is

A shopkeeper increases the price of an object by 40% and then sells it at 25% discount on the marked price. If the selling price of such an object be Rs. 2100, its cost price for the shopkeeper was ?

Calculate the area (in cm2) of a circle of radius 17.5 cm.

PAB and PCD are two secants to a circle. If PA = 10 cm, AB = 12 cm and PC = 11 cm, then what is the value (in cm) of PD?