Averages in Aptitude MCQ Quiz (Multiple Choice Questions And Answers)
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26. The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?
- 178
- 174
- 176
- 174
27. The average salary per head of the entire staff of an office including the officers and clerks is Rs.90. The average salary of officers is Rs.600 and that of the clerks is Rs.84. If the number of officers is 2, find the number of officers in the office?
- 2020
- 1025
- 1020
- 2025
28. Three years ago the average age of a family of six members was 19 years. A boy have been born, the average age of the family is the same today. What is the age of the boy?
- 3 year
- 2 years
- 1 year
- 4 years
- 100
- 250
- 50
- 55
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