Question
The average score of a class of boys and girls in examination is
The average score of a class of boys and girls in examination is
X. The ratio of boys and girls in the class is 4:3. If the average score of the boys (X + 2), the average score of the girls is:
X = 7nX Total score of boys = 4n(X + 2) = 4nX + 8n Total score of girls = 7nX – (4nX + 8n) = (3nX – 8n) Average score of girls = ((3nX – 8n))/3n = (3X - 8)/3 More Average Questions
- A class of 45 students has a total weight of 1080 kg. Two students with weights 22 kg and ‘z’ kg leave the class, and a new student with weight (3z + 12) k...
- In a family of 8, the men eat on average 70 kg of food and women eat on an average 51 kg of food. The men and women are equal in number. A woman joined the...
- The average of 9 numbers is 32. If one number 26 is replaced by 53, then the new average is:
- The average age of (x + 4) players in a team is 18 years. If a 38 years old coach joins the team, the average increases by 1 year. Find x% of 500.
- A set contains ten numbers. The average of the first six numbers is (x − 6), and the average of the last three numbers is (x + 6). The average of the entir...
- The average marks of 30 students in Class I is 60. The average marks of some students in Class II is 75. When all students of both classes are taken togeth...
- A student has two types of markers: Marker A priced at $3 each and Marker B priced at $5 each. If the student purchases a total of 12 markers, with an aver...
- A player scored an average of 46 runs per match over 12 matches. In the following 8 matches, his average was ‘x’ runs, and his overall average improved to ...
- The average weight of a group of five persons, A, B, C, D, and E is 80 kg. If another person K joins the group then the average weight of the group is decr...
- The average score of Neha in 5 subjects was recorded as 62. However, her marks in Science and History were mistakenly entered as 49 and 60 instead of 59 an...
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)