Question
The average age of a class of 17 girls is 12 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes:
More Average Questions
- A group of 20 players has an average score of 55 runs. If x new players join with an average score of 70 runs, the new average becomes 58 runs. Find x.
- If the average of two numbers is 20 and the square root of their product is 16, then the difference between the numbers is:
- Average present age of 'A', 'B' and 'C' is 25 years whereas average present age of 'A', 'B', 'C' and 'D' is 27 years. Three years hence from now, ratio of ...
- The average weight of five friends A, B, C, D and E is (x+8) years while the average weight of C and E is (x-8) kg. If the weight of another person F is al...
- The average speed of a vehicle for a certain number of hours is 48 km/hr. If the vehicle travels 120 km in the next hour, the average increases by 2 km/hr....
- The average score of 'x' boys is (x + 5), and the average score of 30 girls is (3x - 10). If the combined average score of all students is 60, then find th...
- The average age of a group of four children is 11 years. From the group, one child, whose age was 6 years more than the average age, left. Four new childre...
- The average number of books on history, polity and geography in a library is 144, and the average number of books on history and geography is 140. If the n...
- The average of the first and second numbers is 20, while the average of the second and third numbers is 25. If the sum of the first and third numbers is 44...
- The mean weight of 20 athletes is 70.2 kg. If weights of two athletes are excluded, the mean of the remaining becomes 69.5 kg. Calculate the average weight...
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)