Question
The average of 15 numbers is 84. The first seven numbers and the last five numbers have averages of 92.5 and 72.5, respectively. The ninth number exceeds the eighth number by 20%, and the tenth number is reduced by (50/9)% from the ninth number. Determine the value of the ninth number.
More Average Questions
- In a team of 24 players, the average age is 27 years. Later, 6 new players join the team and the average age becomes 24 years. What is the average age of t...
- The average salary of all males and females in an office is Rs.16000 and the total number of females in the office is 16. If the average salaries of male a...
- The average of the present age of 'A' and 'B' is 40 years. If the ratio between the age of 'A' 5 years ago to the age of 'B' 5 years hence is 3:5, then fin...
- The average weight of 16 people increases by 500 grams when two individuals, each with an average weight of 40 kg, are added. What is the new average weigh...
- There are 5 consecutive odd and 3 consecutive even numbers. The sum of five consecutive odd numbers is 120 and the lowest even number is 8 more than the tw...
- There are three numbers 'p', 'q' and 'r' such that average of 'p' and 'q' is 12, average of 'q' and 'r' is 28 and average of 'p' and 'r' is 20. Find the av...
- There are ‘x’ students in a class. Out of them ‘y’ are girls. The number of boys is 4 more than the number of girls. The sum of weight and the average weig...
- There are three distinct numbers a, b and c. If a = 200, (a + b) = 500 and (c – b) = 100, find the average of a, b and c.
- The average electricity consumption of a household over a number of months was 180 units. In the next month, it consumed 300 units, raising the average by ...
- The average of 6 values is 40. If two more values with an average of 'x' are added, the overall average increases by 20%. Find the value of 'x'.
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)