Solve Average Practice Questions with Answers in Quantitive Aptitude Section for Sarkari Exams. Here you can easily understand and expert the in averages subject. We added from beginners to advanced level Average Problems with Solutions.
Q16. The average weight of 15 students is 50 kg. When a new student joins, the average increases by 1 kg. Find the weight of the new student.
Q17. A tank contains 60 liters of a solution with 25% alcohol. How much alcohol should be added to increase the alcohol percentage to 40%?
Q18. A man buys 10 kg of apples at ₹50/kg and 15 kg at ₹40/kg. What is the average price per kg?
Q19. In a class of 30 students, the average marks are 72. If the top 5 scorers have an average of 90, what is the average of the remaining 25 students?
Q20. A shopkeeper mixes two varieties of rice costing ₹25/kg and ₹40/kg in the ratio 3:2. What is the average cost of the mixture?
Q21. The average salary of 50 employees is ₹15,000. If 10 employees earning ₹12,000 each leave the company, what is the new average salary of the remaining employees?
Q22. A student scores an average of 72 marks in 5 subjects. If he scored 80, 70, 85, and 65 in the first 4 subjects, how much must he score in the fifth subject to maintain the average?
Q23. A mixture of 60 liters of juice contains 70% water. How much water must be added to reduce the water content to 50%?
Q24. The average of three numbers is 42. The ratio of the first two numbers is 2:3, and the third number is 10 more than the second. Find the largest number.
Q25. A vessel contains 40 liters of a mixture of milk and water in the ratio 3:1. How much water must be added to make the ratio 2:3?
Q26. If the average of 5 numbers is 0, which of the following is necessarily true?
Q27. The average of three numbers is 24. The largest number is 8 more than the smallest, and the middle number is twice the smallest. Find the smallest number.
Q28. A student scored an average of 80 marks in five subjects. If his marks in four subjects were 85, 90, 70, and 75, what were his marks in the fifth subject?
Q29. The average age of 25 people in a room is 30 years. Five people with an average age of 40 years leave the room. What is the new average age of the remaining people?
Q30. The average of all integers from 1 to 100 is: