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.
Q15.The average annual income (in Rs.) of certain group of illiterate workers is A and that of other workers is W. The number of illiterate workers is 11 times that of other workers. Then the average monthly income (in Rs.) of all the workers is :
Q16.Find out the average of the remaining two numbers if the average of six numbers is 5. The average of two of them is 4.5, while the average of the other two is 4.8.?
Q17.The average score of 51 girls in a class is 309. If the average score of the first 26 girls is 305 and that of the last 26 girls is 314, what is the score of the girl at the middle number?
Q18.A dancer’s score in a dance competition is the average of the scores awarded by eight judges on a scale ranging from 0 to 10. If the first five judges have awarded the dancer scores of 6.5, 7, 8, 7.5, and 6, respectively and the dancer did not receive a score lower than 5 from any of the other judges, then her final score in the competition will be:
Q19.In Resort Oasis, there is a three storey building, and rooms are numbered from 151 to 180 on the first floor, 231 to 270 on the second floor and 316 to 355 on the third floor. In the month of October 2014, 50% rooms are occupied on first floor, 40% on second floor and 70% on the third floor. If it is also known that the room charges are Rs. 300, Rs 100, and Rs. 200 respectively on each of the floors, then find the average income per room for the month of October 2014?
Q20.In XYZ ltd., the average salary of the entire staff is 6400 per month. The average salary of managers is 13,600 and that of executives is Rs.4000 per month. If the total number of managers is 10, then find the number of executive in the organisation.
Q21.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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