Quantitative Aptitude - Arithmetic Ability Questions

In a class, there were 9 boys and some girls. In a test the mean score obtained by the boys was 12 while that obtained by the girls was 14. If the overall average was 13.1, what was the total number of students in the calss?

A right circular cylinder is formed. A = sum of total surface area and the area of the two bases. B = the curved surface area of this cylinder. If A : B = 3 : 2 and the volume of cylinder is 4312 cm3, then what is the sum of area (in cm2) of the two bases of this cylinder?

A painter can paint a fence in 24 hours. After 6 hours he takes a break. What fraction of the fence is yet to be painted?

Calculate the value of √3√3 + 3, if √3 = 1.732

The length and breadth of a rectangle are 24 cm and 7 cm respectively. What must be the length of its diagonal (in cm)?

Select the odd word from the given alternatives.

At 10% discount the selling price of a toaster is Rs 18000, what is the selling price if the discount is 37.5%?

If x -­ y = 7 and xy = 32, then value of (x2 + y2) is