The average age of a class was 16 years. 8 new students with an average age of 12 years joined the class. So, the average age of class decreased...
The average of five numbers is 30. If one of the numbers is removed, the average becomes 25. What is the number that was removed?
- Average of first 3 numbers is half the average of next 6 numbers. If the average of all 9 numbers is 15, find the sum of the last 6 numbers.
The average weight of a group of five persons, A, B, C, D, and E is 67 kg. If another person K joins the group then the average weight of the group is d...
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 ...
The average age of three children is 16 years. If their ages are in the ratio 1:3:4. Find the age of the youngest child.
Average marks scored by Vineet in five subjects are 90. The average marks scored by him (excluding his highest and lowest marks) are 80 and lowest marks...
- The average of 36 numbers is 75. If every number is multiplied by 9, what will be the average of the resulting numbers?
There are 15 numbers such that average of first 12 numbers is 65 while the average of last five numbers is 76. Find the 12th number, if the ratio betwee...
The average expenditure of a man for the first 4 month is Rs.5000 and for the next 8 months is Rs.8000. If he saves 12000 in that year then find his ave...
