Quantitative Aptitude - Arithmetic Ability Questions

The height of a tower is 50√3 m. The angle of elevation of a tower from a distance 50 m from its feet is

If tan2A + cot2A + 2 = x, then the value of x is

A balloon leaves from a point P rises at a uniform speed. After 6 minutes, an observer situated at a distance of 450√3 metres from point P observes that angle of elevation of the balloon is 60 deg. Assume that point of observation and point P are on the same level. What is the speed (in m/s) of the balloon?

If a+1a=1,then the value of a2-a+1a2+a+1 is a≠0

The ratio of curved surface area of a right circular cylinder to the total area of its two bases is 2 : 1. If the total surface area of cylinder is 23100 cm2, then what is the volume (in cm3) of cylinder?

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?

Identify the odd one out from the following: