Mean marks obtained by a student in his five subjects are 15. In English he secures 8 marks, in Economics 12, in Mathematics 18, and in Commerce 9. Find out the marks he secured in Statistics.

If Ramesh score 50 marks in English and 60 marks in Math. Find out the average marks he secure.

In Figure, the pie-chart shows the marks obtained by a student in various subjects. If the student scored 135 marks in mathematics, find the total marks in all the subject. Also, find his score in individual subjects.

The marks obtained (out of 30) by five students in a test are 20, 15, 25, 18, and 22. Find the average marks obtained.

The given pie-chart shows the break-up of total marks obtained by a student in five subjects A, B, C, D and E. The maximum marks in each subject is 150 and he obtained a total of 600 marks. In how many subjects did the student obtain more than his average score?

Marks obtained by 7 students in a subject are 30, 55, 75, 90, 50, 60, 39. The number of students securing marks less than the mean marks is

The given pie- chart shows the marks scored by a students in five different subjects - English, Hindi, Mathematics, Science and Social Science. Assuming that the total marks obtained for the examination are 540 , find the subject in which the student scored 22.2% marks

How much makes did Arun secure in English ? A. The average makes obtained by Arun in four subjects included English is 60. B. The total marks obtained by him in English and mathematics together is 170. C. The total marks obtained by him in Mathematics and Science together is 180.

Find the mean marks by using assumed mean method secured by 140 students in statistics.