Question
The average age of a group of 10 students is 30 years. Two persons of age 12 years and 10 years, left the group and 2 persons of age 20 years and 12 years, joined the group. Find the new average age of the group.
More Average Questions
- The average age of a group is 40 years. When two members having an average age of 58 years leave the group, the average age drops by 3 years. What was the ...
- There are three distinct numbers ‘m’, ‘n’ and ‘o’. If, m = 210, (m + n) = 510 and (o – n) = 60, then find the average of m, n and o.
- There are three distinct numbers ‘d’, ‘e’ and ‘f’. If, d = 120, (d + e) = 420 and (f – e) = 60, then find the average of d, e and f.
- In a warehouse, the ratio of the number of boxes containing books, clothes, and electronics is 7:5:3, respectively, and the average number of boxes of each...
- The mean of a set of 8 numbers is 80. If the average of the first four numbers and the last two numbers is 90 and 60, respectively, and the ratio of the fi...
- The average of 5 numbers is 28. If one of the numbers is 34, what is the sum of the remaining 4 numbers?
- A man purchases cold-drink for three consecutive years. In the first year, he purchases cold-drink at the rate of ₹ 8.00 per litre, in the second year, at ...
- The average runs scored by a player in a certain number of matches was 32.5. His average gets increased by 1.5 when he scores 100 in his next match. Find t...
- A set contains ten numbers. The average of the first six numbers is (x − 4), and the average of the last three numbers is (x + 2). The average of the entir...
- Consider a group consisting of 16 females with an average age of 25 years and 20 males with an average age of 35 years. What is the approximate average age...
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)