Practice Average Questions and Answers

• The average of 8 numbers is 22. When two new numbers 'p' and 'q' are added, the average increases by 3. If p - q = 10, find the value of q.
• The average of five consecutive odd numbers is 45. What is the average of the first three numbers among them?
• The average of five consecutive odd numbers is 53. What is the average of the first three numbers among them?
• The average of five consecutive odd numbers is 61. What is the average of the first three numbers among them?
• The average weight of a group of 15 students increases by 1.5 kg when the weight of the teacher is also included. If earlier the average weight of the grou...
• The average weight of 25 employees in an office increases by 0.8 kg when the weight of the manager is included. If earlier the average weight of the employ...
• The average weight of 30 students in a class increases by 0.5 kg when the weight of the principal is included. If earlier the average weight of the student...
• The average of the first four numbers is 'x+30', the average of the next 10 numbers is 'x', and the average of the remaining 6 numbers is 'x−20'. If the ...
• The average of the first 6 numbers is 'x+40', the average of the next 8 numbers is 'x', and the average of the remaining 6 numbers is 'x−10'. If the aver...
• The average of the first 10 numbers is 'x+20', the average of the next 14 numbers is 'x', and the average of the remaining 16 numbers is 'x−30'. If the a...
• Average of 20 numbers is 65. If the average of the first eight and last six numbers is 75.5 and 55.5 respectively, and if the twelfth number is 25% more th...
• The average weight of 8 students in a class is 35 kg. If the weight of 4 teachers is also included, then the new average weight of each person (teacher + s...
• The average weight of 12 students in a dance class is 45 kg. If the weight of 3 instructors is also included, then the new average weight of each person (i...
• The average weight of 9 students in a seminar is 42 kg. If the weight of 4 facilitators is also included, then the new average weight of each person (facil...
• The average weight of 5 students in a study group is 38 kg. If the weight of 2 mentors is also included, then the new average weight of each person (mentor...
• The average score of a student increased by 5 marks when he scored 210 marks in his 60th test. Find the average score of the student after 60 tests.
• The average runs of a bowler increased by 4 runs when he took 144 wickets in his 40th match. Find the average wickets taken by the bowler after 40 matches.
• The average salary of an employee increased by Rs.2000 when he received a bonus of Rs.58000 in his 35th year of service. Find the average salary of the emp...
• Four numbers are arranged in ascending order. When the 1st two numbers are increased by the number equal to their position, and the last two numbers (i.e.,...
• Four numbers are arranged in ascending order. When the 1st two numbers are increased by the number equal to their position, and the last two numbers (i.e.,...
• Four numbers are arranged in ascending order. When the 1st two numbers are increased by the number equal to their position, and the last two numbers (i.e.,...
• Four numbers are arranged in ascending order. When the first two numbers are increased by the number equal to their position, and the last two numbers i.e....
• Four numbers are arranged in ascending order. When the first two numbers are increased by the number equal to their position, and the last two numbers i.e....
• The average value of the property of Anil, Sunil, and Vinay is Rs. 90 lacs. The value of the property of Anil is Rs. 30 lacs less than the value of the pro...
• The average value of the property of Ravi, Sanjay, and Deepak is Rs. 75 lacs. The value of the property of Ravi is Rs. 20 lacs less than the value of the p...
• The average value of the property of Karan, Arjun, and Vikas is Rs. 78 lacs. The value of the property of Karan is Rs. 25 lacs less than the value of the p...
• The average age of a group of 50 students is 16 years. If 3 students whose ages are 18 years, 26 years, and _____ years are replaced by 3 new students whos...
• The average age of a group of 80 students is 14 years. If 3 students whose ages are 16 years, 22 years, and _____ years are replaced by 3 new students whos...
• The average age of a group of 70 students is 13 years. If 3 students whose ages are 15 years, 21 years, and _____ years are replaced by 3 new students whos...
• Average age of 3 children born at intervals of 2 years is 8. How old is the eldest child?
• Average of 8 numbers is 25. If average of first four and last two numbers is 15 and 40, respectively then find the fifth number given that ratio of fifth a...
• The average of 12, 33, and x is 25. What is the value of x?
• The university has 750 faculty (male and female only) out of which the females are 60%. The average height of females is 162 cm and that of males is 168 cm...
• The average age of P, Q, and R is 22 years. Two years ago, the sum of the ages of P and Q was 5 years less than the age of R. Find the present age of R.
• The average of the two numbers is 15, and the square root of their product is 12. What is the difference between the two numbers?
• The average of 10 observations is 60. It was realized later that an observation was misread as 39 in place of 93. The correct average is:
• The average income of a group of 30 freelancers is Rs. 500. If 3 freelancers earning an average of Rs. 550 leave the group and 1 freelancer earning Rs. N j...
• The average of 30 numbers is 1.2. The average of the first 20 of them is 1.1 and that of the next 9 is 1. Then the last number is:
• The average marks in geography exam of a class of 25 students are 64. If the marks of three students were misread as 44, 46 and 61 in lieu of the actual ma...
• If the average of 38, 49, 42, and 'b' is 50, then find the value of '2b'.