Practice Average Questions and Answers

• 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...
• The average temperature for a week is recorded as 35.4°C. The difference between the highest and lowest temperatures during the week is 30°C. Additionall...
• The average of 18 numbers is 75. The average of the first nine numbers and the last six numbers is 62.5 and 82.5, respectively. The 12th number is 34.3 mor...
• Average of A, B and C is 30 and that of C, D and E is 19. The average of A and E is 23 and that of B and E is 24. Find the value of B....
• The average of 25 numbers is 39.4. The average of the first 12 numbers is 36.5, and the average of the last 12 numbers is 40.5. Determine the value of the ...
• The average weight of 20 students in a class is 52 kg. Two students leave the class, and their combined average weight is 40 kg. Subsequently, six new stud...
• The ratio of the number of cats to sheep on a farm is 5:8. The total number of cats and sheep is 91. The combined weight of all the cats is 1540 kg, and th...
• There are three numbers 'a', 'b' and 'c' such that average of 'a' and 'b' is 14, average of 'b' and 'c' is 16 and average of 'a' and 'c' is 30. Find the av...
• The average of 30 numbers was initially calculated as 45. However, it was later found that one of the numbers had been incorrectly recorded as 83 instead o...
• The average weight of 16 people increases by 500 grams when two individuals, each with an average weight of 40 kg, are added. What is the new average weigh...
• The combined average number of pens with persons ‘B’ and ‘C’ is 75% of the combined average number of pens with persons ‘A’ and ‘D’. The ov...
• The average height of the boys in a class is 160 cm, while the average height of the girls is 155 cm. The overall average height of all students in the cla...
• There are 15 natural numbers whose average is 30.6. The average of the first 8 numbers is 28, and the average of the last 8 numbers is 33. Find the eighth ...
• The average of 8 consecutive odd numbers is 20. If the odd numbers immediately before and after this sequence of 8 odd numbers are also included, what will...
• In an office, the average weight of women is 34 kg and the average weight of men is 30 kg. If the number of women is three times the number of men, what wi...
• Virat Kohli's strike rate after facing 'b' balls is 120. In the subsequent 15 balls, he scores an additional 39 runs, leading to an increase in his strike ...
• The average of four consecutive odd numbers is 47. What is the largest of these numbers?