The performance of four students in annual report is given below .

Who is less consistent than the others ?

The performance of four students in annual report is given below . Who is more consistent than the others ?

The marks scored by two students A, B in a class are given below. Who is more consistent ?

Less accurate of the four options given below

Less accurate of the four options given below

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 marks in the mathematics test.

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.

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 mean score of three students in a test out of 45 is 38. Two new students take the test. What is the lowest mark that can be obtained by the newcomer who scores less than the other new student for the overall average of the five students to rise to 40 ?