HR Police PC · Numerical Ability and Quantitative Aptitude
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Average
Mean of numbers, weighted averages and age-related averages.
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Take a full mock →Q1 · Average · EASY
The average of five numbers is 48. If one number is excluded, the average of the remaining four numbers becomes 45. What is the excluded number?
Q2 · Average · EASY
The average age of 30 students in a class is 14 years. If the teacher's age is included, the average age becomes 15 years. What is the age of the teacher?
Q3 · Average · MEDIUM
The average weight of a group of 25 boys is 52 kg. If 5 boys with an average weight of 48 kg leave the group and 5 new boys with an average weight of 56 kg join, what is the new average weight of the group?
Q4 · Average · EASY
The average of five consecutive odd numbers is 37. Find the largest of these numbers.