Quiz Discussion

Average of a, b, and c is 11; average of c, d and e is 17; average of e and f is 22 and average of e and c is 17. Find out the average of a, b, c, d, e and f.

Course Name: Quantitative Aptitude

  • 1]

    \(15\frac{2}{3}\)

  • 2]

    \(18\frac{1}{2}\)

  • 3]

    \(16\frac{1}{2}\)

  • 4]

    None of these

Solution
No Solution Present Yet

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The average temperature for Wednesday, Thursday and Friday was 40°C. The average for Thursday, Friday and Saturday was 41° C. If temperature on Saturday was 42° C, what was the temperature on Wednesday?

  • 1] 39° C
  • 2] 44° C
  • 3] 38° C
  • 4] 41° C
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Find the average increase rate, if increase in the population in the first year is 30% and that in the second year is 40%.

  • 1] 41%
  • 2] 56%
  • 3] 40%
  • 4] 38%
  • 5] 39%
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Find the average of all the numbers between 6 and 34 which are divisible by 5 -

  • 1] 18
  • 2] 20
  • 3] 24
  • 4] 30
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Average of 80 numbers are 42. When 5 more numbers are included, the average of 85 numbers become 45. Find the average of 5 numbers.

  • 1] 82
  • 2] 89
  • 3] 93
  • 4] 98
Solution
5
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The average monthly salary of 660 workers in a factory is Rs. 380. The average monthly salary of officers is Rs. 2100 and the average monthly salary of the other workers is Rs. 340. Find the number of other workers.

 

  • 1] 645
  • 2] 650
  • 3] 640
  • 4] 642
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An elevator can carry maximum of 16 passengers with an average weight of 80 kg. However, four boys more than the maximum carrying capacity of the elevator entered it making the average weight as 86 kg and overloading the elevator. What is the average weight of those four boys ?

  • 1] 112 kg
  • 2] 108 kg
  • 3] 110 kg
  • 4] 98 kg
Solution
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The average of 10 items was found to be 80 but while calculating, one of the items was counted as 60 instead of 50. Then the correct average would have been :

  • 1] 69
  • 2] 79.25
  • 3] 79
  • 4] 79.5
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The average of the first five multiples of 3 is-

  • 1] 3
  • 2] 9
  • 3] 12
  • 4] 15
Solution
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The average age of 3 children in a family is 20% of the average age of the father and the eldest child. The total age of the mother and the youngest child is 39 years. If the father's age is 26 years, what is the age of the second child ?

  • 1] 15 years
  • 2] 18 years
  • 3] 20 years
  • 4] Cannot be determined
Solution
10
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The average of 11 results is 60. If the average of first six results is 58 and that of last six is 63, find the 6th result-

  • 1] 66
  • 2] 55
  • 3] 64
  • 4] 68
Solution
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