Practice Average Questions and Answers

• 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...
• The average age of three children is 20 years. If their ages are in the ratio 1:2:3. Find the age of the youngest child.
• The average age of three children is 16 years. If their ages are in the ratio 3:4:5. Find the age of the youngest child.
• The average age of three children is 20 years. If their ages are in the ratio 5:6:9. Find the age of the youngest child.
• The average age of three children is 16 years. If their ages are in the ratio 1:3:4. Find the age of the youngest child.
• The average age of three children is 14 years. If their ages are in the ratio 1:2:3. Find the age of the youngest child.
• The average age of three children is 20 years. If their ages are in the ratio 3:5:7. Find the age of the youngest child.
• The average age of three children is 20 years. If their ages are in the ratio 4:5:6. Find the age of the youngest child.
• The average age of 22 children and their teacher's age are 20 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
• The average age of 25 children and their teacher's age are 20 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
• The average age of 33 children and their teacher's age are 25 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
• The average age of 24 children and their teacher's age are 21 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
• The average age of 23 children and their teacher's age are 21 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
• The average age of 26 children and their teacher's age are 22 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
• 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?
• The average cost of two chairs is Rs.10000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 3rd chair?...
• The average cost of three chairs is Rs.10000. The average cost decrease by 12% when one more chair is included. What is the cost price of the 4th chair?...
• The average cost of three chairs is Rs.12000. The average cost decrease by 18% when one more chair is included. What is the cost price of the 4th chair?...
• The average cost of three chairs is Rs.10000. The average cost decrease by 10% when one more chair is included. What is the cost price of the 4th chair?...
• The average cost of three chairs is Rs.16000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th chair?...
• The average age of A, B & C is 48 years. Ratio of present ages of A to C is 3:5 and present age of B is 33.33% more than that of A. find the difference bet...