# Average

Are you preparing for campus placements, Banking,SSC, IAS, Insurance,Defence and other competitive exams? Then, make sure to take some time in practicing the Average questions and answer in Quantitative Aptitude. Moreover, only those questions are included that are relevant and likely to be asked in any competitive exam. So, take these questions and answer, brush up your skills and practice to stay fully prepared for any your exam.

• Q22.In the month of March of 2014, the average daily expenditure of a student was Rs. 136. For the first 15 days of the month, the average daily expenditure was Rs. 170 and for the last 17 days, Rs. 102. Find the amount spent by the student on the 15th of the month.

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• Q23.There are 84 students in block A of a residential school. Due to the admission of 26 new students, the expenses of the mess increase by Rs. 62 per day while the average expenditure per head diminished by Rs. 3. What was the original expenditure of the mess?

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• Q24.The average salary of all the staff in an office of a corporate house is Rs. 5,000. The average salary of the officers is Rs. 14,000 and that of the rest is Rs. 4,000. If the total number of staff is 500, the number of officers is–

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• Q25.The average of squares of first 11 consecutive even numbers is:

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• Q26.The average score of 51 boys in a class is 309. If the average score of the first 26 boys is 305 and that of the last 26 boys is 314, what is the score of the boy at the middle number?

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• Q27.`The average marks of 5 boys are decreased by 3 when one of them having 150 marks is replaced by another boy. This new boy is again replaced by another boy whose marks are 30 less than the boy replaced. What is the overall change in the average due to this dual change?

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• Q28.The average height of group X is 5 feet 9 inches and that of Y is 6 feet 1 inches. There are 20 players in team X and 18 players in team Y. The overall average height in inches is:

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