Practice Average Questions and Answers

• A bowler gives 16.2 runs per wicket. He gives 32 runs and takes 8 wickets in a last match after which his average becomes 15.4 runs per wicket. How many wi...
• In an examination, the average marks obtained by the students is 85. After correcting the quantitative mistakes, the average of 100 students is reduced to ...
• Out of 6 numbers, the average of first 5 is 19 and last 5 is 20. If the last number is 21. Find the first number?
• Average weight of Shikhar, Rohit and Virat is 72 kg. Hardik joins the group and the average now becomes 65 kg. If Dhoni whose weight is 8 kg more than that...
• The average salary of 400 employees were found to be Rs. 250. Later on, it was discovered that the wages of two workers were misread as 260 and 140 instead...
• A bowler gives 15 runs per wicket. He gives 30 runs and takes 5 wickets in a last match after which his average becomes 13.5 runs per wicket. How many wick...
• There are five containers in a truck hold. The weight of the first container is 100 kg and the weight of the second container is 20% higher than the weight...
• In a College with 1200 students, the average age of the boys is 24 years and that of girls is 17 years. If the average age of the college is 22 years and 3...
• The mean of 50 observations was calculated as 75. It was later found that one of the observations was misread as 173 instead of 113. The correct mean is&nb...
• In an examination, the average marks obtained by the students is 80. After correcting the quantitative mistakes, the average of 90 students is reduced to 5...
• The average of first three numbers of a set of six numbers is 60 .The average of the second, third and fourth numbers is 20 and the average of the third, f...
• If the average marks of the three batches 32, 45 and 54 student respectively is 50, 42 and 35, then find the approximate average mark of all the students?
• There are three classes P, Q and R. The average marks of class P is 75. The average marks of class Q is 80. The average marks of class R is 85. T...
• When the average age of a husband and wife and their son was 44 years, the son got married and a child was born just one year after their marriage. When ch...
• In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced to ...
• The average score of a class of boys and girls in examination is X. The ratio of boys and girls in the class is 4:3. If the average score of the boys (X + ...
• The average age of 21 children is 30 years. 4 new children, whose average age is 15 years, join them. Find the average age of the 25 children.  
• In a school with 400 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 yea...
• The average of the present age of 6 members of a family is 42 years. The present age of the youngest member is 12 years. Then what was the average age of t...
• Out of three numbers the average of the first and the second number  is 37 more than the average of the second and the third number. What is the diffe...
• "The average age of all employees in a company is 23.5 years. The average age of male employees is 25.2 years, while the average age of female employees is...
• The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest child ...
• In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced to ...
• The average age of three children in a family is 35% of the average of the age of father and the eldest child. The total age of the mother and the younger ...
• The average weight of 7 boxes P, Q, R, S, T, U and V is 72kg. Another box A is added to group and the average now becomes 70kg. If another box C whose weig...
• Of the four numbers, whose average is 75, the first is one-fourth of the sum of the last three. The first number is 
• 3 years ago, the average age of a family of 5 members was 17 years. A baby being born, the average age of the family is 17 years. The present age of the ba...
• The average of marks obtained by 50 candidates was 56. If the average of the passed candidates was 60 and that of the failed candidates was 50, then the nu...
• The average salary of Anil for the January to October is Rs.68000. He got Rs. 60000 in January and Rs.75000 in Nov. The average salary for the months of Fe...
• The average price of 10 stickers is Rs.12 while the average price of 8 of these stickers is Rs.11.75. Of the remaining two stickers, if the price of one st...
• The average age of a class was 16 years. 8 new students with an average age of 12 years joined the class. So, the average age of class decreased by 1 year....
• A candidate just passed by getting 60 answers correct by attempting 132 of the total questions. Find the total number of questions in the examination if a ...
• If the average of 13 different numbers is 15, and if all the numbers are positive integers then what is the largest possible value of the average of the 2 ...
• A man purchases cold-drink for three consecutive years. In the first year, he purchases cold-drink at the rate of ₹ 8.00 per litre, in the second year, a...
• The average Economics marks of two sections A and B of class X in the annual examination is 70. The average marks of Section A is 72.5 and that of section ...
• A number is such that when it is multiplied by 9, it gives another number which is as much above from 420 as the original number (itself) is below 420. The...
• There are 5 consecutive odd and 3 consecutive even numbers. The sum of five consecutive odd numbers is 120 and the lowest even number is 4 more than the tw...
• The ages of 4 members of a family are in the year 2011 are ‘X’,’X+6’,’X+12’ and ‘X+18’. After some years Oldest among them was dead then av...
• The average number of sweets distributed in a class of 25 students is 6. If ‘x’ number of students newly joined the class and the average becomes 5, an...
• The average number of sweets distributed in a class of 90 students is 6. If lsquo;xrsquo; number of students newly joined the class and the average becomes...