# 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.

• Q1.Directions: What should come in place of question mark (?) in the following questions?${\left(38.05\right)}^{2}-{\left(29.9\right)}^{2}+{\left(20.9\right)}^{2}=?\left(L2\right)$

• Q2.The average weight of X, Y and Z is 45 kg. If the average weight of X and Y be 40 kg and that of Y and Z be 43 kg, then the weight of Y is:

• Q3.A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?

• Q4.Of the four numbers, whose average is 60, the first is one-fourth of the sum of the last three. The second number is one-third of the sum of other three, and the third is half of the other three. Find the fourth number.

• Q5.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 :

• Q6.The average age of a family of 5 members 4 year ago was 24 years. Mean while a child was born in this family and still the average age of the whole family is same today. The present age of the child is:

• Q7.On an average 100 guests came to a restaurant on Monday, Tuesday and Wednesday and the average number of visitors on Thursday and Friday is 150. If the average number of visitors per day in the week be 200, then the average number of people who came in weekends (i.e., on Saturday and Sunday) is:

• Q8.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.?

• Q9.The average of five positive numbers is 99. The averages of the first two and the last two numbers are 117 and 92 respectively. What is the third number?

• Q10.The average weight of 16 boys in a class is 50.25 kgs of which 8 playing boys is 45.15 kgs. Find the average weight of the non-playing boys in the class.