Question
A group contains some number of members. If 2 members with an average weight of 61 kg leave the group, the average weight of the remaining members decreases by 1 kg. If 3 members with an average weight of 62 kg leave the group, the average weight of the remaining members decreases by 2 kg. Find the number of members initially in the group.
More Average Questions
- A player’s average score in first 10 games was a certain number. In the next 10 games, his average score was 90, due to which his overall average increased...
- Average 20 numbers is ‘x’. If the average of first 12 numbers is 74.5 while average of last 5 numbers is 84.8 and 13th, 14th and 15th numbers are (4x - 45)...
- The average of 40 numbers was calculated to be 52. Later, it was found that two numbers had been taken wrongly as 43 and 57 instead of 63 and 47 respective...
- The average age of a class of 20 girls is 15 years. If 5 new girls having average age of 10 years join the class, then the average age of the class becomes...
- The average number of taxis of three colours (black, white and yellow) in a taxi stand is 123. The number of black taxis is 40 more than that of yellow tax...
- There are three numbers 'r', 's' and 't' such that average of 'r' and 's' is 24, average of 's' and 't' is 18 and average of 'r' and 't' is 18. Find the av...
- The average of the first 6 numbers is 'x+40', the average of the next 8 numbers is 'x', and the average of the remaining 6 numbers is 'x−10'. If the averag...
- The average score obtained by 28 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score was...
- Kohli smashed 150 runs, contributing 75% of the team’s total. Given that extras amounted to 20 runs, what was the total contribution from the rest of the p...
- 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.
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
