Classify your class mates according to their heights and find the mode of it.

Find the height of image in the following diagram.

The heights of boys and girls of IX class of a school are given below. Compare the heights of the boys and girls.

The following values are calculated in respect of heights and weights of the students of a section of class XI : Can we say that the weights show greater variation than the heights?

The lateral surface area of a cylinder is equal to the curved surface area of cone . If their bases are the same, find the ratio of the height of the cylinder to the slant height of the cone.

A ball is projected in a manner such that its horizontal gange is n times of the maximum height. Then find out the ratio of potential energy to kinetic energy at maximum height.

A particle travels according to the equation y=x-(x^(2)/(2)) . Find the maximum height it acheives (x and y are in metre)

Test scores out of 100 for a class of 20 students are as follows: 93, 84, 97, 98, 100, 78, 86, 100, 85, 92, 55, 91, 90, 75, 94, 93, 60, 81, 95 (a) Make a frequency table taking class interval as 91-100, 81-90, ... (b) Find the modal class (The "Modal class" is the class containing the greatest frequency). (c) find the interval that contains the median.