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Average problems

  • 1. The average monthly salary of 19 members of a group is Rs. 16000. If one more members whose monthly salary is Rs. 20000 has joined the group, then the average salary of the group is

  • Options
  • A. Rs.18250
  • B. Rs.16200
  • C. Rs.18000
  • D. Rs.16250
    • Discuss
  • 2. In the first 45 overs of a 50 over innings, the run rate was 5.8 runs per over. What is the required run rate in the remaining overs to reach the target of 295 runs?

  • Options
  • A. 6.9
  • B. 6.8
  • C. 6.7
  • D. 6.6
    • Discuss
  • 3. The average of 15 numbers is 7. If the average of the first 8 numbers is 6.5 and the average of the last 8 numbers is 8.5 then middle number is

  • Options
  • A. 10
  • B. 23
  • C. 13
  • D. 15
    • Discuss
  • 4. In the first 40 overs of a 50 over innings, the run rate was 4.8 runs/over. What is the required run rate in the remaining 10 overs to reach the target of 241 runs?

  • Options
  • A. 6.7
  • B. 6.5
  • C. 6.3
  • D. 4.9
    • Discuss
  • 5. What is the average of all numbers between 11 and 80 which are divisible by 6?

  • Options
  • A. 46
  • B. 47
  • C. 44
  • D. 45
    • Discuss
  • 6. The average temperature of Monday ,Tuesday , Wednesday and Thursday is 60°, The average for Tuesday, Wednesday, Thursday and Friday is 63°; If the ratio of temperature for Monday and Friday is 21 : 25, then what is the temperature of Friday ?

  • Options
  • A. 70°
  • B. 73°
  • C. 75°
  • D. 78°
    • Discuss
  • 7. The average height of 30 boys out of a class of 50 is 160 cm. If the average height of the remaining boys is 165 cm, the average height of the whole class (in cm) is:

  • Options
  • A. 161
  • B. 162
  • C. 163
  • D. 164
    • Discuss
  • 8. The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85. The average marks of the remaining students is

  • Options
  • A. 35
  • B. 45
  • C. 55
  • D. 65
    • Discuss
  • 9. The average weight of 10 parcels is 1.7 kg. Addition of another new parcel reduces the average weight by 60 gram. What is the weight , in kg, of the new parcel?

  • Options
  • A. 1.04
  • B. 1.08
  • C. 1.4
  • D. 1.8
    • Discuss
  • 10. In a class of 50 students there are 27 boys. The average weight of these boys is 72 Kg and average weight of the full class is 55.44 kgs. What is the average weight (in kgs) of the girls of the class?

  • Options
  • A. 42
  • B. 48
  • C. 30
  • D. 36
    • Discuss

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