std 10 vigyan and technology new blueprint 2022 | vigyan blueprint 2022 board exam | std 10 exam

Class 10 Maths Blueprint 2023-24

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. If all students of Division C lost 10 marks each for cheating in the test then their new average marks would decrease by how much?

The following table shows the number of marks secured by the students of a class in a 50 marks exam. {:("Score",,"Number of students"),("Less than or equal to 10 marks ",,2),("More than 10 marks and less then or equal to 20 marks" ,,5),("More than 20 marks and less then or equal to 30 marks",,9),("More than 30 marks and less then or equal to 40 marks",,14),("More than 40 marks and less then or equal to 50 marks",,10):} How many students secured less then or equal to 30 marks in that exam ?