Practice Average Questions and Answers

• The average age of A and B is 15 years. If A is to be replaced by C, the average would be 14 years. The average age of C and A is 16 years. Find the age of...
• The average age of A and B is 16 years. If A is to be replaced by C, the average would be 15 years. The average age of C and A is 17 years. Find the age of...
• The average age of A and B is 19 years. If A is to be replaced by C, the average would be 18 years. The average age of C and A is 20 years. Find the age of...
• The average age of A and B is 18 years. If A is to be replaced by C, the average would be 17 years. The average age of C and A is 19 years. Find the age of...
• The average age of A and B is 17 years. If A is to be replaced by C, the average would be 16 years. The average age of C and A is 18 years. Find the age of...
• The average age of A and B is 21 years. If A is to be replaced by C, the average would be 20 years. The average age of C and A is 22 years. Find the age of...
• The average age of A and B is 22 years. If A is to be replaced by C, the average would be 21 years. The average age of C and A is 23 years. Find the age of...
• The average cost of 3 chairs is Rs. 10000. The average cost decrease by 22% when one more chair is included. What is the cost price of the 4th chair?...
• The average cost of 3 chairs is Rs. 8000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th chair?...
• The average cost of 3 chairs is Rs. 9500. The average cost decrease by 15% when one more chair is included. What is the cost price of the 4th chair?...
• The average cost of 4 chairs is Rs. 11000. The average cost decrease by 15% when one more chair is included. What is the cost price of the 5th chair?...
• The average cost of 5 chairs is Rs. 12000. The average cost decrease by 12% when one more chair is included. What is the cost price of the 6th chair?...
• There are three numbers. If the average of any two of them is added to the third number, the sums obtained are 177, 163 and 138. Whatis the average of the ...
• Average age of company A is 21 years and average age of both companies A and B is 13 years. If the ratio of number of employees in company A and B is 3:8, ...
• The average age of 32 children and their teacher's age are 28 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
• In an exam of 100 marks, the average marks of a class of 38 students are 72. If the top 3 scorers of the class leave, the average score falls “down b...
• The average age of A and B is 22 years. If A is to be replaced by C, the average would be 21 years. The average age of C and A is 23 years. Find the age of...
• A number is such that when it is multiplied by 4, it gives another number which is as much above from 180 as the original number (itself) is below 180. The...
• The average salary of all males and females in an office is Rs.16000 and the total number of females in the office is 16. If the average salaries of male a...
• If average weight of a class is ‘y’ kg. If a new student weighing 21 kg took admission, then the average weight is increases by 1 kg. If the we...
• The average weight of A, B, C is 76 kg when D joins them the average weight becomes 70 kg. If E whose weight is 2 kg more than D replaces A, then the avera...
• P, Q, R, S and T are five persons. The weight of P, Q and R is 80%, 102% and 84% respectively of the average weight of all five. The ratio of weight of S a...
• ‘N’ is the number of employees in an IT company ‘ABC’. The average age of employees working in the company is 45 years. What will b...
• The average weight of 10 books is 5 kg. If 6 new books are added, the new average increases by 3 kg. What will be the average weight of the 6 new books?
• The average expenditure of a man for the first 6 month is Rs.6000 and for the next 6 months is Rs.9000. If he saves 15000 in that year then find his averag...
• The average expenditure of a man for the first 7 month is Rs.5000 and for the next 5 months is Rs.8000. If he saves 12000 in that year then find his averag...
• The average expenditure of a man for the first 4 month is Rs.4000 and for the next 8 months is Rs.6000. If he saves 11000 in that year then find his averag...
• The average expenditure of a man for the first 4 month is Rs.5000 and for the next 8 months is Rs.8000. If he saves 12000 in that year then find his averag...
• The average expenditure of a man for the first 5 month is Rs.4000 and for the next 7 months is Rs.6000. If he saves 10000 in that year then find his averag...
• The average expenditure of a man for the first 8 month is Rs.4000 and for the next 4 months is Rs.6000. If he saves 10000 in that year then find his averag...
• The average expenditure of a man for the first 9 month is Rs.5000 and for the next 3 months is Rs.8000. If he saves 12000 in that year then find his averag...
• The average age of a class of 20 girls is 15 years. If 5 new girls having average age of 10 years join the class, then the average age of the class becomes...
• The average age of a class of 25 girls is 20 years. If 7 new girls having average age of 12 years join the class, then the average age of the class becomes...
• The average age of a class of 25 girls is 16 years. If 5 new girls having average age of 10 years join the class, then the average age of the class becomes...
• The average age of a class of 22 girls is 18 years. If 2 new girls having average age of 12 years join the class, then the average age of the class becomes...
• The average age of a class of 23 girls is 15 years. If 2 new girls having average age of 10 years join the class, then the average age of the class becomes...
• The average age of a class of 24 girls is 15 years. If 6 new girls having average age of 10 years join the class, then the average age of the class becomes...
• The average age of a class of 24 girls is 16 years. If 6 new girls having average age of 12 years join the class, then the average age of the class becomes...
• The average age of a class of 18 girls is 14 years. If 2 new girls having average age of 10 years join the class, then the average age of the class becomes...
• The average age of a class of 20 girls is 16 years. If 4 new girls having average age of 10 years join the class, then the average age of the class becomes...