If the mean mark of 5 subjects is 46.Find the sum of the marks. *
Answers
Answered by
12
- Step-by-step explanation:
mean marks of a student in 5 subjects is 65.
Total marks of a student in 5 subjects is 65.×5 =325
⇒in this sixth subject, he got 20 marks more than this mean
⇒in this sixth subject, he got 20 +65marks =85
Total marks of a student in 6 subjects is 85.+325=410 marks
mean marks of a student in 6 subjects is 410÷6= 68.3 ans
Similar questions