In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks. (b) How many students obtained marks below 4?

In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks. (a)Find how many students obtained marks equal to or more than 7.

The data regarding marks obtained by 48 students of a class in a class test is given below. Calculate the modal marks of students.

A teacher analyses the performance of two sections of students in a mathematics test of 100 marks given in the following table. Find the probability that a student obtained marks 60 or above.

A class has 175 students. The following table shows the number of students studying one or more of the following subjects in this case. How many students are enrolled in Mathematics alone, Physics alone and Chemistry alone? Are there students who have not offered any one of these subjects?

Set up an equation in the following cases: The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be I).

A teacher analyses the performance of two sections of students in a mathematics test of 100 marks given in the following table. Find the probability that a student obtained less than 20 in the mathematics test.

The following distribution shows the marks scored by 140 students in an examination. Calculate the mode of the distribution :

Identify the following diagram and name the parts marked as A B and C.

Use the bar graph given below to answer the following questions: How many students have dog as a pet? ,

(i) Find the probability that a student obtained less than 20% in the mathematics test. (ii) Find the probability that a student obtained marks 60 or above.