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The average of two numbers is 6 more than the smaller number among them. If the greater number is 100% more than the smaller number, then find the sum o...
- In a sports club, the ratio of the number of footballs, basketballs, and volleyballs is 3:2:4, respectively, and the average number of these items is 72. W...
There are 40 elements in a data set and their average is 75. If every element is scaled by a factor of 12, compute the new average.
What is the overall average of marks for all the students if three groups consist of 45, 35, and 40 students with average marks of 40, 60, and 45, respe...
The average of five even numbers is 68. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
There are 15 natural numbers whose average is 30.6. The average of the first 8 numbers is 28, and the average of the last 8 numbers is 33. Find the eigh...
Average marks scored by each boy in a class were 70, whereas that by each girl were 80. If the number of boys is 50% more than the number of girls, then...
In a company team of 18 members, the average age is 29 years. When 6 more members join, the average age falls to 26. What is the average age of the new ...
The total number of students in class X and Y is 72. The number of students in X is 40% more than that in Y. The average marks of students in Y are 50% ...
The average weight of 8 persons is increased by 2.5 kg, when a person whose weight is 56 kg, is replaced by a new comer. Find the weight of new comer?
