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  • Question
  • The average monthly salary of the employees of a firm is Rs.60 out of the employees 12 officers get an average of Rs.400 per month and the rest an average of Rs. 56 per month , Find the number of emp


  • Options
  • A. 1030
  • B. 1032
  • C. 1062
  • D. 1060

  • Correct Answer
  • 1032 

    Explanation
    The actual average salary of 12 officers = 400 therefore Total salary of 12 officers = 400 x 12 = 4800 Average of these 12 officers as a whole =60 Total salary of 12 officers as a whole = 60 x 12 = 720 The total salary of rest = 4800 - 720 = 4080 The difference in average of the rest of officers = 60 - 56 = 4 Rest of the officers = 4080/4=1020 Total number of employees = 1020 + 12 = 1032

  • Average problems


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    • 1. The average temperature of the town in the first four days of a month was 58 degrees. The average for the second, third, fourth and fifth days was 60 degrees. If the temperatures of the first and fifth days were in the ratio 7 : 8, then what is the temperature on the fifth day ?

    • Options
    • A. 62 degrees
    • B. 64 degrees
    • C. 65 degrees
    • D. 66 degrees
    • Discuss
    • 2. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team ?

    • Options
    • A. 20 years
    • B. 21 years
    • C. 23 years
    • D. 25 years
    • Discuss
    • 3. The average age of a husband and his wife was 23 years at the time of their marriage. After five years they have a one-year old child. The average age of the family now is:

    • Options
    • A. 25
    • B. 23
    • C. 19
    • D. 18
    • Discuss
    • 4. The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is :

    • Options
    • A. 10.5
    • B. 11.5
    • C. 12.5
    • D. 13.5
    • Discuss
    • 5. Out of 9 persons, 8 persons spent Rs. 30 each for their meals. The ninth one spent Rs. 20 more than the average expenditure of all the nine. The total money spent by all of them was :

    • Options
    • A. Rs. 292.50
    • B. Rs. 297.50
    • C. Rs. 298
    • D. Rs. 298.50
    • Discuss
    • 6. The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is :

    • Options
    • A. 20
    • B. 21
    • C. 23
    • D. 24
    • Discuss
    • 7. A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points, the team scored was :

    • Options
    • A. 665
    • B. 657
    • C. 658
    • D. 678
    • Discuss
    • 8. A certain factory employed 600 men and 400 women and the average wager was Rs. 25.50 per day, If a woman got Rs. 5 less than a man, then what are their daily wages ?

    • Options
    • A. m:25.50 w:27.50
    • B. m:27.50 w:22.50
    • C. m:26.50 w:27.50
    • D. m: 24.50 w:26.50
    • Discuss
    • 9. The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ratio of the number of boys to the number of girls in the class is:-

    • Options
    • A. 1:2
    • B. 2:3
    • C. 3:4
    • D. 3:5
    • Discuss
    • 10. The average temperature for Monday, Tuesday, Wednesday and Thursday was 48° . The average temperature for Tuesday, Wednesday, Thursday and Friday was 52°, If the temperature on Monday was 42°, then the temperature on Friday was (in degrees)

    • Options
    • A. 58
    • B. 56
    • C. 52
    • D. 50
    • Discuss


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