WB Police PC · Elementary Mathematics
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Take a full mock →Q1 · Average · EASY
The average of five numbers is 48. If one of the numbers is excluded, the average of the remaining four numbers becomes 45. What is the excluded number?
Q2 · Average · MEDIUM
A batsman has an average of 42 runs in 15 innings. How many runs must he score in his next innings to increase his average to 44?
Q3 · Average · MEDIUM
The average weight of 30 students in a class is 45 kg. If the weight of the teacher is included, the average weight increases by 1 kg. What is the weight of the teacher?
Q4 · Average · HARD
The average age of a family of 5 members is 28 years. If the age of the youngest member is 8 years, what was the average age of the family at the time of birth of the youngest member?
Q5 · Average · MEDIUM
The average of 6 numbers is 35. If one number is excluded, the average becomes 32. What is the excluded number?