Questions on Average marks

Read the following question and decide which of the given statements is/are sufficient. Question: The average marks of X, Y, Z is 180. What is X’s mark? Statements: 1. Y and Z together score 50 marks 2. X and Z together score 60 marks

Read the following question and decide which of the given statements is are sufficient Question: The average marks of X,Y,Z is 180. what is X's mark? Statements: I :Y and Z together score 50 marks II:X and Z together score 60 marks.

The bar graph shows average marks scored in a 100 marks History exam by students of 7 divisions of Standard x. Study the diagram and answer the following questions. What is the ratio of average marks scored by Division D to Division G?

The following table represents the percentage marks of four students in six subjects. Consider the table and answer questions based on it. Average marks obtained in science is higher than that of Maths by