Write the following statements into percentage form:
3 students in a class of 60 students are absent.

Write the following sentences into percentage form : 12 students out of 50 students are good players.

Write the negation of the following statement : None of the students of this class has passed.

In an examination, 8% of the students fail. What percentage of the students pass? If 1650 students appeared in the examination, how many passed?

Write the negative of the following statement : "Some students are 25 (years) or older"

the collection of intellgent students in a class is :

Write the negation of the following statements: (i)All students live in the dormitories (ii)Some students are 25 (years) or older.

Write the negation of the following statements : Every student has paid the fees.

Given below is the distribution of marks obtained by 50 students in a class test : If 70% students pass the test , find the minimum marks needed by a students to pass the examination.

The following bar graph (Figure) represents the heights (in cm) of 50 students of Class XI of a particular school. Study the graph and answer the following questions: What percentage of the total number of students have their heights more than 149 cm? How many students in the class are in the range of maximum height of the class? The school wants to provide a particular type of tonic to each student below the height of 150cm to improve his height. If the cost of the tonic for each student comes out to be Rs. 55, how much amount of money is required? How many students are in the range of shortest height of the class? State whether true or false: There are 9 students in the class whose heights are in the range of 155-159 cm. Maximum height (in cm) of a student in the class is 17. There are 29 students in the class whose heights are in the range of 145-154 cm. Minimum height (in cm) of a student is the class is in the range of 140-144cms. The number of students in the class having their heights less than 150cm is 12. There are 14 students each of whom has height more than 154 cm.

A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent.