Average Questions

The sum of a non-zero number and ten times its reciprocal is 7. Find the number.

3 numbers whose average is 112, the first number is 1/6th the sum of other 2. What is the first number?

In a class of 56 students there are 28 girls. The average weight of these girls is 46 kg and average weight of the full class is 51 kgs. What is the average weight of the boys of the class?

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

For the data given below. find the sum of mode. median and mean.6, 3, 8, 4, 3, 11, 7, 4, 5, 4.

There are a total of 200 students in a school, of which 7/10th are boys. Find the number of girls in the school.

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?

The median of the numbers 14, 12, 12, 16, 13 and 18 is