If 65% of students in a class have a bicycle, what per cent of the student do not have bicycles?

The set of weak students in a class is :

Out of 32 students, 8 are absent. What percent of the students are absent?

20 % of 25 students in a class are boys.How many girls are in the class?

Consider the frequency distribution table (Table 14.3, Example 4, Chapter 14), which gives the weights of 38 students of a class. (i) Find the probability that the weight of a student in the class lies in the interval 46-50 kg. (ii) Give two events in this context, one having probability 0 and the other having probability 1.

The set of poor students in the class is :

What per cent of the adjoining figure is shaded?

The ages of the students of a class form an A.P. whose common difference is 4 months. If the youngest student is 8 years old and the sum of the ages of all the students of the class 1s 168 years, find the number of students in the class.