Question
The average marks of 55 students in a class were calculated as 72. However, there were errors in recording the marks of four students. The incorrect marks recorded were 84, 74, 70, and 88, but the actual marks of these students were 56, 32, 48, and 70, respectively. Find the correct average marks of the class.
More Average Questions
- In a group, 2 people with average weight 55 kg leave, and the average drops by 1 kg. If 3 people of average weight 56 kg leave, average drops by 2 kg. Find...
- Out of 6 numbers, the average of first 5 is 19 and last 5 is 20. If the last number is 21. Find the first number?
- Rs. 4200 was divided between 'P', 'Q', 'R', and 'S' in the ratio 4:6:3:7, respectively. Later, 'Q' gave an amount that equals 60% of the average amount rec...
- A student’s average score in 8 tests is 56 marks. After the 9th test, his average becomes 58 marks. How many marks did he score in the 9th test?
- The average of 9 numbers is 27. One number 45 is replaced by 33. Find the new average.
- The average rainfall in a city for the first 7 days of a month is 12 mm per day. To have an average of 20 mm per day over 14 days, what should be the avera...
- The average monthly fee for 30 students in a workshop is Rs. 10,000. After an increase, the new monthly average fee for each student is Rs. (10000 + X). If...
- A set contains ten numbers. The average of the first six numbers is (x − 5), and the average of the last three numbers is (x + 1). The average of the entir...
- The number of students in class 'A' is 144, and the ratio of the number of girls to boys in class 'A' is 5:7. If the average number of boys in classes 'A' ...
- If the average of 38, 49, 42, and 'b' is 50, then find the value of '2b'.
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)