Question
The average weight of a group of NN children is (N+1)(N + 1) kg. When a child weighing 36.5 kg leaves the group, the average weight decreases by 0.5 kg. Determine the original number of children in the group.
More Average Questions
- The average weight of a family of 8 members is 85 kg. If the youngest member dies, the average weight of the family decreases by 1 kg. Find the weight of t...
- The average of two consecutive even numbers is 61. If the smaller number is increased by 18% and the larger number is decreased by 18%, then find the diffe...
- The combined average weight of 8 apples and 5 oranges is 150 grams. If the average weight of the apples is 180 grams, what is the average weight of the ora...
- 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.
- The average of a set of 's' numbers is 20. If 80 is added to the set, then the average of the set becomes 20.5. Find the value of '4 X (s - 12)'.
- The average number of books sold by Viren in first 4 months is 3600 and in first 5 months is 4200. If the number of books sold by him in 6th month is 35% l...
- If average of first 12 numbers is (n – 23) and the sum of remaining number is 925. Find the value of ‘n’, if the average of 22 numbers is ‘n’.
- The average of ten positive numbers is calculated as 56. On observing, it was found that two numbers 64 and 32 are wrongly interpreted as 76 and 52, respec...
- The average of 6 numbers is 25. The average of the first four numbers is 20 and the average of the last three numbers is 30. Find the fourth number.
- What is the average of odd numbers greater than 10 but less than 30?
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
