Take atleast 5 students from 6th to 10th class. Collect body measurement data of those students.

A student has to answer 10 out of 13 questions in an examination choosing at least 5 question from the first 6 questions. The number of choices available to the students is

In a class of 45 students 3/5 of the total number of students are girls how many students of the class are boys?

A class consists of 80 students, 25 of them are girls. If 10 of the students are rich and 20 of the students are fair complexioned, then the probability of selecting a fair complexioned rich girl from the class (assuming three traits as independent) is

The distribution below gives the weights of 30 students of a class . Find the median weight of the students . {:("Weight (in kg)","Number of students"),(40-45,2),(45-50,3),(50-55,8),(55-60,6),(60-65,6),(65-70,3),(70-75,2):}

In a class 32 students out of 60 take tea. So find the probability of choosing randomly a student who doesn't take tea.

A teacher wants to take 10 students to a park. He can take exactly 3 students at a time and will not take the same group of 3 students more than once. Find the number of times (i) each student can go to the park (ii) the teacher can go to the park.

In a school X,48 students appeared for 10th class exam out of which 36 students passed. In another school Y, 30 students appeared and 24 students passed. If the District Educational Officer wants to give an award on the basis of pass percentage. To which school will he give the award?

In a school, there are 1000 students, out of which 430 are girls. It is known that out of 430, 10% of the girls study in class XII. What is the probability that a student chosen randomly studies in Class XII given that the chosen student is a girl?

How was your study area different from those of other student groups ?