The average weight of 4 persons is 56 kg. The heaviest person’s weight is 30 kg more than the lightest person’s weight. If the average weight of the...
The average age of three children is 21 years. If their ages are in the ratio 3:5:6. Find the age of the youngest child.
Ram, Shyam, Rohan, Reeta, and Mukesh are five members of a family who are weighed consecutively, and their average weight is calculated after each membe...
The 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?
Average of 8 numbers is 70. If average of first four and last two numbers is 80 and 45, respectively then find the fifth number given that ratio of fift...
- Average of first 2 numbers is twice the average of next 4 numbers. If the average of all 6 numbers is 18, find the sum of the last 4 numbers.
A set contains twelve numbers. The average of the first eight numbers is (y - 3), and the average of the last three numbers is (y + 5). The average of t...
Average age of a class of 25 students is 13 years. Average age of the class is increased by 30 months if the age of the teacher is included. Find the ag...
The average number of sweets distributed in a class of 25 students is 6. If ‘x’ number of students newly joined the class and the average becomes 5,...
- The mean weight of 20 athletes is 70.2 kg. If weights of two athletes are excluded, the mean of the remaining becomes 69.5 kg. Calculate the average weight...
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