Quantitative Aptitude - Arithmetic Ability Questions

The sum of 15 observations of a data is (434 + x). If the mean of the data is x, then the value of x is

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

Select the odd word from the given alternatives.

In the following question, select the odd word from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

Karteek is twice as good a foreman as Raju and together they finish a piece of work in 20 days. In how many days will Raju alone finish the work?

A right circular cylinder is partially filled with water. Two iron spherical balls are completely immersed in the water so that the height of the water in the cylinder rises by 4 cm. If the radius of one ball is half of the other and the diameter of the cylinder is 18 cm, then the radii of the spherical balls are

AB is a chord of the circle and its center is “O”. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2√11) cm, find the radius (in cm) of the circle.