Dhoran 6 Vigyan || Final Exam 2022 || Std 6 Science

JEE Mains/NEET 2020 - Final Exam Dates | Latest Announcement By HRD Minister - Important Update

The bar graph shows average marks scored in a 100 marks Science exam by student of 7 divisions of Standard X. Study the diagram and answer the following questions. Which division scored the second lowest marks?

In a class of 25 students, 18 of them passed in maths, 14 of them passed in Science and 3 of them failed in both the exams. How many students passed in both the exams ?

Out of 100 students, 15 passed in English, 12 passed in Mathmatics, 8 in Science, 6 in English and Mathematics, 7 in Mathematics and Science , 4 in English and Science, 4 in all the three. Find how many passed (i) in English and Mathematics but not in Science. (ii) in Mathematics and Science but not in English. (iii) in Mathematics only. (iv) in more than one subject only.

If in order to pass the exam, a minimum of 95 marks are needed in Science, how many students pass in the exam?

The means and standard devation of the marks of 200 candidates in half early exam were found to be 40 and 15 respectively. The marks of the candidates exceeds their marks by 10 in final exam. The mean and standard deviation of the marks in final exam are respectively ?