Trilochan Puhan Average Class Notes for SSC and Bank Exam

1. What is the average of all the numbers between 100 and 200 which are divisible by 13?

2. What is the average of numbers from 1 to 50 which are multiples of 2 or 5? (correct to one decimal place) (SSC CHSL 2020)

3. The average of 47 consecutive natural numbers is 99. What is the largest number among these numbers?

4. The average of 44 consecutive odd numbers is 144. What is the largest number?

5. The average of a set of 15 consecutive even numbers is 64. What is the difference between the largest and the smallest numbers belonging to this set?

6. If a, b, c, d, e are five consecutive odd numbers, their average in terms of ‘a’ is: (SSC CGL TIER -1 2015)

7. The average of 5 consecutive numbers is A. If the next 3 numbers are added, then what will be the new average?

8. The average of 7 consecutive odd number is A. If next 4 and previous 3 odd numbers are also included, then what is the new average of these 14 consecutive odd numbers?

9. The average of the first 7 integers in a series of 13 consecutive odd integers is 37. What is the average of the entire series?(CPO 2016)

10. 5 members of a team are weighted consecutively and their average weight calculated after each member is weighted. If the average weight increases by one kg each time, how much heavier is the last player than the first one? (CGL TIER -2 2012)

11. The average of 30 numbers is 5. Among these 30 integers, there are exactly 20 which do not exceed 5. What is the highest possible value of the average of these 20 integers? (CAT 2019)

12. The average age of Rustam and Preetam is 39 years. The average age of Preetam and Geetam is 28 years. The average age of Rustam and Geetam is 34 years. What will be the age (in years) of the youngest of the three? (CPO 2017)

13. Three numbers are such that if the average of any two of them is added to the third number, the sums obtained are 164, 158 and 132 respectively. What is the average of the original three numbers?(CGL 2018)

14. Let A, B and C be the integers such that the sum of A and the mean of B and C is 5. In addition, the sum of B and the mean of A and C is 7. Then the sum of A and B is: (CAT 2020)

15. Among three numbers, the first is twice the second and thrice the third. If the average of the three numbers is 49.5, then the difference between the first and the third number is:

16. The average of the first four numbers is three times the fifth number. If the average of all the five number is 85.8, then the fifth number is? (CGL 2019)

17. Rohit scored 44, 42, 62, 74, 40, and 26 runs in a six-match one-day cricket series. What is his average score for the series?(MTS 2017)

18. The average of the runs scored by 8 players in an innings is 55. If the runs scored by 7 of these players in that innings are 25, 35, 45, 60, 65, 60 and 80, then how many runs are scored by the player in that innings?

19. In a class of 60 students, 40% are girl. The average weight of the boys is 62 kg and that of the girls is 55 kg. What is the average weight of the whole class?

20. If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55 and 60, then the average marks of all the students is:

21. The average monthly expenditure of a family for the first four months is Rs. 2570, for the next three months Rs. 2490 and for the last five months Rs. 3030. If the family saves Rs. 5320 during the whole year, the average monthly income of the family during the year is: (SSC CGL TIER -2 2014)

22. The total number of students in section A and B of a class is 110. The number of students in section A is 10 more than that of section B. The average score of the students in B, in a test, is 20% more than that of students in A. If the average of all the students in the class is 72, then what is the average score of the student in A?

23. The average daily income of 7 men, 11 women and 2 boys is Rs. 257.50. If the average daily income of the men is Rs.10 more than that of woman and the average daily income of the women is Rs. 10 more than that of boys the average daily income of a man is: (SSC CGL TIER -2 2016)

24. The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is: (SSC CGL TIER – 1 2000)

25. The average of 60 student’s results in 38. If the average of the first 22 students is 36, and that of the last 32 students is 32, then the average result of the remaining student is: (CGL 2019)

26. The average of twelve numbers is 46. The average of the first four numbers is 43 and that of the last five numbers is 49.4. The 5th and the 6th numbers are respectively 4 and 6 more than the 7th number. What is the average of the 5th and the 7th number? (CGL 2018)

27. The average of eleven numbers is 68. The average of the first four numbers is 78 and that of the next four numbers is 63. The 9th number is two times the 11th number and the 10th number is 4 less than the 11th number. What is the average of the 9th and 11th numbers? (CPO 2019)

28. If the average age of eight teachers in a school is 40 years. A teacher among them died at the age of 55 years whereas another teacher whose age was 39 years joins them. The average age of the teacher whose age was 39 years joins them. The average age of the teacher in the school now is:

29. The average mark of 45 students was found to be 66. If the marks of two students were incorrectly entered at 28 and 64 instead of 82 and 46 respectively, then what is the correct average?

30. The mean of 100 items was 46. Later on it was discovered that an item 16 was misread as 61 and another item 43 was misread as 34. It was also found that the number of items was 90 and not 100. Then what is the correct mean? (SSC CGL TIER – 2 2012)

31. The average weight of 13 students is 24. If the teacher of weight 31 kg is included, then what is the new average weight of the class?

32. The average weight 40 children of a class is 36.2 kg. When three more children with weight 42.3 kg, 39.7 kg and 39.5 kg join the class, the average weight of the 43 children in the class is:

33. The average age of 8 members of a group is 36 years. The age of the eldest member is 32 years. If we exclude that eldest member from the group, then what will be the average age (in years) of the remaining members?

34. The average of 12 numbers is 35. If four numbers 20, 27, 15 and 29 are removed then what will be the average of remaining numbers?

35. In a club there are 12 wrestlers. When a wrestler whose weight is 90 kg leaves the club, he is replaced by a new wrestler then the average weight of this 12 member club increases by 0.75 kg. What is he weight (in kg) of the new wrestler who joined the club? (CGL 2017 MAINS)