Quantitative Aptitude - Arithmetic Ability Questions

3cosA is equal to

If the product of two numbers is 2522 and their LCM is 97 then their HCF is

If four angles of a quadrilateral are (6x-18), (80-4x), (4x+14), (12x-58), then find the value of the smallest angle of the quadrilateral.

If (a+1a)2=3,then the value of a6-1a6 will be

If in ΔABC, DE ||BC, AB = 7.5cm, BD = 6cm and DE = 2cm, then the length of BC in cm is

The height and the total surface area of a right circular cylinder are 4 cm and 8π sq.cm. respectively. The radius of the base of cylinder is

How many prime numbers are there between the positive integers 60 and 100?

The difference between compound interest and simple interest on a certain sum of money for 2 years at 5% per annum is Rs. 41. What is the sum of money?