Quantitative Aptitude - Arithmetic Ability Questions

Δ XYZ is right angled at Y. If m∠Z = 60°, what is the length of YZ (in cm), if ZX = 3√3 cm?

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

cos(A+B) + cos(A-B) is equal to

What will be the equation of the perpendicular bisector of segment joining the points (5,­3) and (0,2)?

The perimeter and the breadth of a rectangle are 44 cm and 10 cm respectively. Find its area (in cm2).

The mean score in a test of the 10 boys in a class was 15 while the overall mean of the 25 students in the class was 16.2. What was the mean score of the girls?

Three consecutive natural numbers are such that the square of the greatest is greater than the product of the other two by 19. The smallest of these numbers is

At 5% simple interest per annum a certain sum yields a total amount of Rs. 2,790 at the end of 3 1/4 years. The sum invested was