Quantitative Aptitude - Arithmetic Ability Questions

The mean of the data 3, 10, 10, 4, 7, 10, 5 is

If the sum of the measures of all the interior angles of polygon is 1800°, find the number of sides of the polygon?

If the number x4441 is divisible by 11, what is the face value of x?

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

The simple interest on a sum of money is 16/25 of the principal. The number of years is equal to the rate of interest per annum. What is the rate (in percentage) of interest per annum?

The length of two parallel sides of a trapezium are 18 m and 24 m. If its height is 12 m, then what is the area (in sq.m) of the trapezium?

The corners of a square of side ‘a’ are cut away so as to form a regular octagon. What is the side of the octagon?

The ratio between the vertical angle and a base angle of an isosceles triangle is 4:3. The value of any one base angle is