Practice Average Questions and Answers

• 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. ...
• The mean of a set of 15 numbers is 40. If the mean of the initial 5 numbers in this set is represented by the expression (12x + 10), and the mean of the su...
• The average of three numbers is 21. The first number is double the second, and the third number is double the first. Calculate the sum of the first and thi...
• In a classroom, the combined average age of all students and their teacher is 17 years. The average age of the boys in the class is 13 years. If the teache...
• The average weight of a group of 30 employees is 65 kg. If an additional five employees, each with an average weight of 72 kg, are added to the group, what...
• The average cost price of articles 'P' and 'Q' together is Rs. 280, where the cost price of article 'Q' is Rs. 40 more than that of article 'P'. If article...
• The average of 15 numbers is 84. The first seven numbers and the last five numbers have averages of 92.5 and 72.5, respectively. The ninth number exceeds t...
• The average weight of 20 boys is 48 kg. However, the weights of three boys, originally 46 kg, 44 kg, and 38 kg, were incorrectly recorded as 'k' kg, 'k+2' ...
• Sachin Tendulkar's average runs over 40 innings was 52. During his subsequent four innings, he scored 55, 42, 0, and 60 runs. To increase his average to 53...
• If a:b:c = 3:4:6, and (5a + 3c) = 132, then find the value of '3b'.
• In an election between two candidates, the winner secured a victory margin of 720 votes. If 20% of the total votes polled were declared invalid, and the wi...
• A student has two types of markers: Marker A priced at $3 each and Marker B priced at $5 each. If the student purchases a total of 12 markers, with an aver...
• The average weight of a group of 5 men increases by 2 kg when a new person weighing 78 kg joins the group. What was the average weight of the group before ...
• The average age of 6 employees in a company rises by 2 years when a new employee’s age is added. If the sum of the initial average age of the 6 employees...
• A student's average score across five subjects is 72. If the scores in four subjects are 68, 75, 70, and 80, what is the average of the top three highest-s...
• The combined average weight of 8 apples and 5 oranges is 150 grams. If the average weight of the apples is 180 grams, what is the average weight of the ora...
• In an examination, a student has an average score of 84. If he had scored 14 more marks in Science and 19 more marks in English, his average would increase...
• The average score of 70 candidates in the SBI PO exam is 40. If the candidates who passed have an average score of 49, while those who failed have an avera...
• The average of five consecutive even numbers is 56, and the average of four consecutive odd numbers is 'n'. The ratio of the highest even number to the low...
• The average income of 'Pawan', 'Qureshi,' and 'Ranjan' is Rs. 'y', and their incomes are in the ratio of 5:3:4, respectively. 'Pawan,' 'Qureshi,' and 'Ranj...
• The average of a set of 25 numbers is 98. For the first 14 numbers, the mean is 84, and for the last 8 numbers, the mean is 112. Furthermore, the 17th numb...
• Rajat aims to save an average of Rs. 750 per month over the course of a year. For the first 8 months, his monthly income was Rs. 3,000, and he spent 80% of...
• The average weight of 6 employees in an office increases by 3 kg when the boss is included. The sum of the average weight of the 6 employees and the boss's...
• In a company, the average salary of 30 employees is ₹40,000. Out of these, the average salary of 20 employees is ₹35,000, and the average salary of 5 o...
• The average salary of a group of 12 employees is Rs. 60,000. When one employee departs, the average salary of the remaining 11 employees drops by Rs. 2,000...
• The mean weight of 24 men is 45 kg, while the mean weight of 18 women is 40 kg. Calculate the combined average weight of all the men and women together, ro...
• The average of a group of observations is 34.4. If every observation is scaled by a factor of 2.5, what will the resulting average become?...
• The average weight of a group of NN children is (N+1)(N + 1) kg. When a child weighing 36.5 kg leaves the group, the average weight decreases by 0.5 kg. De...
• Rohit Sharma's strike rate is initially 125 after facing a certain number of balls. Over the next 14 balls, he scores an additional 28 runs, leading to an ...
• The total number of teachers in Department A and Department B together is 112. The number of teachers in Department A is 80% more than the number of teache...