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  • Question

  • 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

  • Correct Answer
  • 45 

    • Average problems

    Search Results

    • 1. 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
    • 2. 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
    • 3. 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
    • 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. 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
    • 6. 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
    • 7. 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
    • 8. What is the average of all numbers between 9 and 90 which are divisible by 8?

    • Options
    • A. 53
    • B. 52
    • C. 51
    • D. 50
      • Discuss
    • 9. An army of 12000 consists of Europeans and Indians. The average height of a European is 5ft 10 inches and that of an Indian is 5ft 9 inches and that of the whole army is 5ft 9 3/4 inches. Then the number of Indians in the army is ?

    • Options
    • A. 3000
    • B. 4000
    • C. 5500
    • D. 2700
      • Discuss
    • 10. The average weight of 3 men A, B and C is 84 Kg. Another man D joins the group and the average now becomes 80 Kg. If another man E whose weight is 3 Kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 Kg. What is the weight of A?

    • Options
    • A. 70 Kg
    • B. 72 Kg
    • C. 75 Kg
    • D. 80 Kg
      • Discuss

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