Delhi Police PC · Quantitative Aptitude
Average
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Take a full mock →Q1 · Average · EASY
The average of 5 numbers is 27. If one number is excluded, the average becomes 25. What is the excluded number?
Q2 · Average · MEDIUM
The average weight of 40 students in a class is 45 kg. If the weight of the teacher is included, the average becomes 46 kg. What is the weight of the teacher in kg?
Q3 · Average · MEDIUM
A batsman has an average of 58 runs in 16 innings. How many runs must he score in his next innings to raise his average to 61?
Q4 · Average · HARD
The average of 20 numbers is 15. The average of the first 12 numbers is 14 and that of the next 7 numbers is 16. What is the last number?
Q5 · Average · HARD
The average age of 12 students is 18 years. If the age of their teacher is included, the average becomes 19 years. What is the age of the teacher?