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Easy Average Aptitude Questions and Answers – Set 1

20 Questions20 Minutes

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Sample Questions

20 questions
  1. Section A = 50 students, Section B = 60 students. Overall average = 75. Section A average is 20% more than B. Average of Section A is:
  2. The average of sixteen numbers is 48. The average of the first six is 45 and last seven is 53. The 7th and 8th numbers are 3 and 7 greater than the ninth number. What is the average of the ninth and seventh numbers?
  3. The average of 18 numbers is 37. If six numbers of average 41 are added, what is the new overall average?
  4. Mean of 100 observations = 40. One value misread 83 instead of 53. Correct mean = ?
  5. Average age of 10 members =20. Youngest age=10. Average age before birth =?
  6. Average of first 100 positive integers is:
  7. a,b,c,d,e,f,g consecutive even; j,k,l,m,n consecutive odd. Average of all numbers is:
  8. Girls avg=85, Boys avg=87. Ratio=4:5. Whole class average ≈?
  9. Total marks in P,C,M is 120 more than Chemistry. Average of P & M is:
  10. A factory buys 7 machines. 2 machine A, 2 Machine B and rest Machine C. Prices of the machines are Rs. 95000, Rs. 75000 and Rs. 43000 respectively. Calculate the average cost of these machines
  11. The number of students in a class is 75, out of which 33 1/3% are boys and the rest are girls. The average score in mathematics of the boys is 66 2/3% more than that of the girls. If the average score of all the students is 66, then the average score of the girls is:
  12. The average of 33 numbers is 74. The average of first 17 numbers is 72.8 and last 17 numbers is 780.3. If 17th number is excluded, new average is:
  13. A cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and decreases average by 0.4. Number of wickets before match was:
  14. Two-digit number: unit digit twice tens digit. If 2 subtracted from sum of digits equals 1/6th of number. Number is:
  15. Average of x numbers is y² and average of y numbers is x². Combined average is:
  16. Mean of 9 observations =16. After adding 10th observation mean=17. 10th observation =?
  17. Average weight 12 parcels=1.8kg. Adding new parcel reduces average by 50g. Weight new parcel=?
  18. 50 students average weight 45kg. One leaves and average reduces by 100g. Weight of student=?
  19. Group A=42 students avg 25kg. Group B=28 students avg 40kg. Whole class average=?
  20. Average of odd numbers up to 100 is:
Average MCQ | Aptitude Online Practice Tests | Easy Level | Set 1 | MCQ Orbit