Practice Average Questions and Answers

• Average of 8 numbers is 25. If average of first four and last two numbers is 15 and 40, respectively then find the fifth number given that ratio of fifth a...
• The average of 12, 33, and x is 25. What is the value of x?
• The university has 750 faculty (male and female only) out of which the females are 60%. The average height of females is 162 cm and that of males is 168 cm...
• The average age of P, Q, and R is 22 years. Two years ago, the sum of the ages of P and Q was 5 years less than the age of R. Find the present age of R.
• The average of the two numbers is 15, and the square root of their product is 12. What is the difference between the two numbers?
• The average of 10 observations is 60. It was realized later that an observation was misread as 39 in place of 93. The correct average is:
• The average income of a group of 30 freelancers is Rs. 500. If 3 freelancers earning an average of Rs. 550 leave the group and 1 freelancer earning Rs. N j...
• The average of 30 numbers is 1.2. The average of the first 20 of them is 1.1 and that of the next 9 is 1. Then the last number is:
• The average marks in geography exam of a class of 25 students are 64. If the marks of three students were misread as 44, 46 and 61 in lieu of the actual ma...
• If the average of 38, 49, 42, and 'b' is 50, then find the value of '2b'.
• The average of the present ages of Arun, Mohan, and Deepak together is 30 years. Five years from now, the sum of the ages of Mohan and Deepak will be 66 ye...
• The average of five even numbers is 68. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4. Wh...
• The average of five even numbers is 38. If we replace two of these even numbers, 88 and 92, with a single even number X, the new average decreases by 4. Wh...
• The average of five even numbers is 72. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4. Wh...
• The average of five even numbers is 64. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4. Wh...
• The average of five even numbers is 60. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4. Wh...
• The average of five even numbers is 64. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4. Wh...
• There are three distinct numbers ‘a’, ‘b’ and ‘c’. If, a = 150, (a + b) = 450 and (c – b) = 60, then find the average of a, b and c....
• What is the average of odd numbers greater than 10 but less than 30?
• The total number of students in class X and Y is 72. The number of students in X is 40% more than that in Y. The average marks of students in Y are 50% mor...
• The university has 750 faculty (male and female only) out of which the females are 60%. The average height of females is 162 cm and that of males is 168 cm...
• The average of 30 numbers is 55. The average of the first 15 numbers is 50 and the average of the last 12 numbers is 55. What is the average of 68, 74 and ...
• The average marks of all the students decreased by 2 when it was found that marks of one of the student were wrongly interpreted as 80 instead of 40. Find ...
• The average score of a group of 12 students in a math exam is 75. If the highest score, which is 95, is removed from the average, what will be the new aver...
• The average of five numbers is 30. If one of the numbers is removed, the average becomes 25. What is the number that was removed?
• The average weight of a group of (x - 3) employees is (x + 4) kg. If a manager of weight 54 kg joins the office, then average weight of the group increased...
• The average weight of a group of 20 boys is 52 kg. If the total weight of a group of 14 girls is 30% less than the total weight of the group of boys, what ...
• X and Y have weights of 36 kg and 60 kg, respectively. Z weighs 12 kg less than X. Calculate the average weight of X, Y, and Z.
• Ram played his first 4 matches with an average of 5 goals per match. However, he couldn't score any goals in the following 3 matches. How many goals does R...
• The average weight of 15 boys in a group is 48 kg. If the collective weight of 12 girls in another group is 25% lower than that of the boys, what is the ra...
• Determine the value of a − b given that a + 3b = 18a and 3a + b = 30 .
• In a tournament, the average score of eight batsmen in the Chennai team is 80. If the highest three scores are not considered, the new average of the remai...
• In a classroom, there are 24 male students and 16 female students. The male students have an average age of 16 years, while the female students average 14 ...
• The annual production of an article fluctuates. It consistently rises by 25% for two consecutive years, followed by a 20% decline in the third year. In the...
• Consider a group consisting of 16 females with an average age of 25 years and 20 males with an average age of 35 years. What is the approximate average age...
• A company has 12 employees, including 8 engineers and 4 managers. The average salary of the engineers is E rupees, and the average salary of the managers i...
• In a Math exam, the average score of 50 students is 68. The ratio of boys to girls in the class is 3:2. If the average score of the boys is 70, what is the...
• Ram scored an average of 5 goals per match in his first four games. However, he didn't score any goals in the following three matches. How many goals does ...
• The average of three distinct numbers is 124. The average of the smallest and the largest of these numbers is also 124, with the smallest number being 24 l...
• A car covers a distance of 60 km at a consistent speed. If the car's speed is increased by 8 km/h, it would take 2 hours less to travel the same distance. ...