- The average of two numbers is 12 more than the smaller number among them. If the greater number is 150% more than the smaller number, then find the sum of ...
Average weight of each student, in a class of 70 students, is 86kg. If the ratio of number of boys and girls in the class is 4:3, respectively and avera...
Find the median of the following observation:
24, 28, 29, 21, 19, 18, 25, 27, 17, 20, 28, 30, 11, 13The average age of 26 children and their teacher's age are 22 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The average weight of 15 boys in a group is 48 kg. If the collective weight of 12 girls in another group is 25% lower than that of the boys, what is the...
- 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 combined average weight of 8 copies and 5 books is 150 grams. If the average weight of the copies is 180 grams, find the average weight of the books.
In an Aerobic class, the average age of all the members was 54.5 years, 11 members left the class and 7 new members joined. If the average age increased...
- A writer completed an average of 120 pages per week for the first 10 weeks. In the next 5 weeks, he completed ‘x’ pages per week, so that his overall a...
The average of a series of 30 numbers is 70. The difference between the largest number and the smallest number is 140. If the largest and the smallest n...
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