GJ Police PC · Quantitative Aptitude
Average
Mean of numbers, weighted averages and age-related averages.
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5 real GJ Police PC questions with instant answers — no signup, ~3 minutes.
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పూర్తి మాక్ తీసుకోండి →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 · MEDIUM
The average age of a family of 6 members is 25 years. If the age of the youngest member is 5 years, what was the average age of the family at the time of birth of the youngest member?
Q3 · Average · MEDIUM
A student scored an average of 75 marks in 5 subjects. In 3 of these subjects, the average is 70 marks. What is the average of the remaining 2 subjects?
Q4 · Average · HARD
The average weight of 40 students in a class is 55 kg. When a new student joins the class, the average weight increases by 200 grams. If another new student whose weight is 3 kg more than the first new student also joins, what will be the new average weight of the class?
Q5 · Average · EASY
The average of 6 numbers is 42. If one number is excluded, the average becomes 38. What is the excluded number?