Question
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 together, the overall average becomes 69. Find the number of students in Class
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 together, the overall average becomes 69. Find the number of students in Class
II.
More Average Questions
- A and B started a business investing Rs. 1500 for ‘x’ months and Rs. 1800 for 10 months, respectively. Out of total profit of Rs. 5000, profit share of B i...
- The average of five consecutive odd numbers is 53. What is the average of the first three numbers among them?
- 5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 40 and ratio of the 4th and the 5th number is 2:3. If difference between the ...
- The average marks of Karan in 5 different papers was calculated as 73. But it was later found that his marks in two subjects were wrongly entered as 80 and...
- The average weight of 70 notebooks kept in a box is 7 kg. When a new notebook is placed in the box, then the average is 7.1kg. Specify the weight of the ne...
- A class of 30 students appeared in a test. The average score of 12 students is 80, and that of the rest is 75. What is the average score of the class?
- In a company of 36 employees, the average salary is ₹55,000. One employee earning ₹52,000 resigns, and 4 new employees with an average salary of ₹58,000 jo...
- The average weight of 15 oarsmen in a boat is increased by 1.6 kg when one of the crew, who weighs 42 kg, is replaced by a new man. Find the weight of the ...
- If average of first 11 numbers is (n – 23) and the sum of remaining number is 925. Find the value of ‘n’, if the average of 25 numbers is ‘n’.
- The average age of (x + 7) trainees is 17 years. When a 39-year-old trainer joins, the average becomes 18 years. Find x% of 500.
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)