# Average

## Average Aptitude Questions – 02

Question 01 The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is: Given: average of 11 numbers = 10.9 Sum of 11 numbers/ 11 = 10.9       (average = sum of data/ number of data)Sum …

## Average of Groups

Question 01 The average age of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 14 students? Given: Average age of 35 students = 16 yearsAverage age of 21 students = 14 To find: Average age of remaining 14 students Average …

## Inclusion and Exclusion Type Questions

Question 01 The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is Given: Average = 27No. of data = 5If one no. excluded then average = 25 Let the number to be excluded be x Now, average = sum of all data/ no. of data …

## Average Aptitude Questions

Question 01 If the mean of a, b, c is M and ab + bc + ca = 0, then the mean of a2, b2, c2 is: Given: Mean of a, b, c = M; ab +bc + ca = 0                  Or, (a + b + c)/3 = M                             a + b + …

You cannot copy content of this page