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
- The mean purchase price of items 'X' and 'Y' is Rs. 600. Article 'X' is sold with a 20% profit, while article 'Y' is sold with a 30% profit. Calculate the ...
- Average of nine consecutive numbers is 55. Find the sum of the smallest and largest number.
- Average of four numbers is 28. Sum of smallest and largest number is 57. If difference between other two numbers is 1, then find the square of second small...
- The average weight of 44 employees in an office is 45 kg. When the manager's weight is included, the average weight rises by 1 kg. What is the weight of th...
- In an Aerobic class, the average age of all the members was 54.5 years, 11 members left the class and 7 new members joined. If the average age increased by...
- Of the four numbers, whose average is 75, the first is one-fourth of the sum of the last three. The first number is
- The average age of A and B is 22 years. If A is to be replaced by C, the average would be 20 years. The average age of C and A is 23 years. Find the age of...
- The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest child ...
- The average of series 'S1', which consists of 6 consecutive even numbers, is 25. The second term of series 'T1', which consists of 5 consecutive odd number...
- Average run scored by a batsman in 20 innings is 90. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases by 3. F...
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)