AVERAGE PRACTISE SET PROBLEMS 2

AVERAGE PRACTISE SET PROBLEMS 2

AVERAGE PRACTISE SET PROBLEMS 2

LEVEL 3:

  1. A man walks ⅝ part of his journey at a speed of 5 kmph and remaining at a speed of 3 kmph. What is the average speed during his whole journey ? 
    1. 3.5                      2. 4.2                      3. 4.5                          4. 4

2. What fraction should be added to these three fractions 1/7, 4/15 and ⅖ such that the average of four fractions is ¼ ?

  1. 2/21                   2. 15                  3. 4/21                       4. 25

3. The average of 40 numbers is 12. If the average of first 13 number is 9, average of second 13 numbers is 13 and average of third 13 numbers is 12. What is the 40th number ?

  1. 25                      2. 13                       3. 38                        4. 24

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4. A man travels from point A to B in such a way that, he travels half distance at a speed of 80 kmph and half distance at a speed of 20 kmph. And then returns from B to A in the same manner i.e. half at a speed of 60 kmph and half at a speed of 40 kmph. Find his average speed during the whole journey.

  1. 37.5                    2. 36.4                         3. 38.4                           4. 39.4

5. The average age of a family of 7 members is 25. The age of  two youngest members, namely rahul and tarun are 4 and 7 respectively. Find the average age of family at the birth of tarun .

  1. 20                 2. 20.5                      3. 21                      4. 21.5

6. A man travels one-fourth part of a journey at a speed of 8 kmph, next three – fifth part at a speed of 6km h and remaining part at a  speed of 10 kmph. What  is the average speed of a man during his whole journey ?  

  1. 7.8                               2. 6.23                   3. 6.83                           4. 7.2

7. In a 50 over match, the required run rate to win is 6.6. If the run rate is 6.5 at the  End of 46th over, the required run rate to win the match is

  1. 6.75                      2. 6.55                       3. 7.75                         4. 7.25

8. There are in all 15 pen, some of them are red and the others are green. The  average cost of all pens is 23. If the average cost of red pen is Rs. 27 and that of green pen is Rs. 21, the number of green pen is

  1. 10                  2. 12                       3. 15                          4. 13

9. There are 24 balls, some are red and and the others are white. The average cost of all the balls is 40. If the average cost of red balls 35 and average cost of white balls is 43. Find the number of red balls

  1. 9               2. 15                       3. 12                      4. 10

10. The average age of a family of 9 members is 20 years. The age of three youngest members tushar, prateek and sachin are 1,4 and 5 years respectively. Find the average age of family at the birth of sachin

  1. 17                     2. 20                        3. 23                         4. 26

11. In a class there are 40 boys and their average age is 16 years. One boy aged 17 years leaves the school and another joins, and their average age becomes 15.95 years. What is the age of the new boy ?

  1. 14                  2. 15                          3. 16                 4. 17

12. one student read 200 pages at the rate of 80 pages per hour. Another student read 150 pages at the rate of 60 pages per hour. What is the average rate of reading of both students together ?

  1. 96                         2. 75                         3. 70                         4. 85

13. The average expenditure of a man for the first 8 months of a year is Rs. 6000 and for the next 4 months it is Rs. 5000. He saves Rs. 7300 during the year. Find his average monthly income

  1. 6000                        2. 6275                    3. 6500                         4. 6775

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LAST YEAR QUESTIONS

 1. There are 36 boys and 44 girls in a class. The average score of boys is 40 points and girls is 35 points. Then what will be the average score of the class?                                                                                                    (Ssc cgl 2013)

  1. 37.25 points                 2. 28.95 points           3.  35.5 points            4. 40.04 points

2. The average weight of kids in a home is 16 kg and adults is 35 kg. Find the average weight of all the person in home.                                                                                                                                             (ssc chsl 2014)

  1. 25.5 kg                    2. 25 kg                     3. none of these                          4. cannot be determined

3. The average weight of 15 girls in a group is 24 kg when a new girl included the average weight increases by 2.What is the weight of the new girl ?                                                                                                (ssc cgl 2011)

  1. 56 kg                    2. 28 kg                   3. 34 kg                     4. none of these

4. The average marks obtained by 120 candidates in a certain examination is 35.if  the average marks of passed candidate is 39 and that of the failed candidates is 15,what is the number of candidates who passed the examination.                                                                                                                                  (sbi po 2012)

  1. 110                     2. 115                    3. 120                      4. 100                      5. none of these

5.The average age of 8 persons in a committee is increased by 2 years when two men aged 35 years and 45 years are substituted by two women.Find the average age of these two women.                                ( Sbi po 2016)

  1. 48                    2. 36                     3. 42                4. 29                        5. none of these

6. In a class, there are 20 boys whose average age is decreased by 2 months, when one boy aged 18 years is replaced by a new boy.Find the age of new boy.                                                                                               (sbi po 2014)

  1. 19 years                   2. 14 years 6 month              3. 15 years                  4. 14 years 8 month               5. 12 years

7. One -third of certain journey is covered at the rate of 25 kmph,one-fourth at the rate of 30 kmph and the rest at 50 kmph.Find the average speed for the whole journey.                                                            (ibps po 2015)

  1. 33.33 kmph                       2. 36                      3. 42                 4. 27                  5. none of these

8. The average salary of the entire staff in a office is Rs 120 per month.The average salary of officers is Rs 460 and of non officers is Rs 110. If the number of officers is 15,then find the No of non-officers in the office.                                                                                                                                                                                                  (ibps po 2016)

  1. 480                 2. 500                   3. 600                     4. 430                   5. 510

9. There were 35 students in a hostel.If the number of students increased by 7, the expenses of the mess increases by Rs. 42 per day,while the average expenditure per head diminishes by Rs.1.Find the original expenditure of the mess.                                                                                                                                      (lic aao 2015)

  1. 420                     2. 400                    3. 480                   4. 460                     5. none of these

10. The average weight of A,B,and C is 84 kg. If D joins the group, the average weight of the group becomes 80 kg.If another man E who weights is 3 kg more than D Replaces A, Then the average of B,C,D and E becomes 79 kg. What is the weight of A?                                                                                                          (ibps po 2013)

  1. 64                        2. 72                           3. 75                       4. 100                  5. 80

11. In an exam, the average was found to be 50 marks. After deducting computational errors the marks of the 100 candidates had to be changed from 90 to 60 each and average came down  to 45 marks. Total No of candidates who took the exam were.                                                                                                             (ibps po 2015)

  1. 300                              2. 600                      3. 200                   4. 150                   5. none of these

12. Find the average of all even No’s up to 100 or average of first 50 even No’s                            (Ibps clk 2016.)

  1. 50                     2. 50.5                    3. 51                        4. 49                   5. none of these

13. The average of 8 No’s is 20. The average of first two No’s is 15.5 and that of next three No’s is 64/3.if the 6th No be less than the seventh and eighth No. by 4 and 7 respectively, then find eight No.             (sbi po 2016)

  1. 26                              2. 25.5                       3. 27                          4. 25                  5. none of these

 

LEVEL 3 :

  1. d
2. c 3. c 4. c 5. d 6. c 7. c
8. a 9. a 10. b 11. b 12. c 13. b

 

LAST YEAR QUESTIONS:

1. a 2. d 3. a 4. d 5. a 6. d 7. a
8. e 9. a 10. a 11. b 12. c 13. d

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