A class of 39 students has an average test score of 24. When the score of the topper is added, the average score of the group increases to 24.25. What ...
There are 15 numbers such that average of first 12 numbers is 60 while the average of last five numbers is 75. Find the 12th number, if the ratio betwee...
Determine the average of all prime numbers that lie between 35 and 70.
- The average of ‘x’ numbers is 20. If 65% of the numbers are decreased by 2 and the remaining numbers are increased by 5, then find the new average of t...
If average of first 10 numbers is (n – 46) and the sum of remaining number is 1850. Find the value of ‘n’, if the average of 20 numbers is ‘n’...
The average of 25 numbers is 40. If 2 is added to each number, then the new average will be:
The average age of the husband, wife, and their child 3 years ago was 24 years and that of the Wife and the child 4 years ago was 19 years. The present ...
If average of first 11 numbers is (n – 46) and the sum of remaining number is 1850. Find the value of ‘n’, if the average of 25 numbers is ‘n’...
- The average age of a group of employees is 45 years. When a new employee aged 60 joins, the average increases by 1 year. Find the total age of the group be...
10.5, 19, 40, 82, 166, 334
