Quiz Discussion

A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.

Course Name: Quantitative Aptitude

  • 1]

    40

  • 2]

    39

  • 3]

    52

  • 4]

    55

Solution
No Solution Present Yet

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# Quiz
1
Discuss

David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, mathematics, physics, chemistry and biology. What are his average marks?

  • 1] 65
  • 2] 69
  • 3] 75
  • 4] None of these
Solution
2
Discuss

Find the average of the first 40 natural numbers.

  • 1]

    21

  • 2]

    20.5

  • 3]

    21.5

  • 4]

    None Of These

Solution
3
Discuss

The average of runs scored by a cricketer in his 99 innings is 99. How many runs will he have to score to his 100th innings so that his average of runs in 100 innings will become 100 ?

  • 1] 100
  • 2] 99
  • 3] 199
  • 4] 101
Solution
4
Discuss

The mean of 25 observations was found to be 78.4. But later on it was found that 96 were misread as 69. The correct means is-

  • 1] 76.54
  • 2] 78.4
  • 3] 79.48
  • 4] 81.32
Solution
5
Discuss

The average of the largest and smallest 3 digits numbers formed by 0, 2 and 4 would be :

  • 1] 312
  • 2] 222
  • 3] 213
  • 4] 303
Solution
6
Discuss

The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?

  • 1]

    0

  • 2]

    -1

  • 3]

    1

  • 4]

    None Of These

Solution
7
Discuss

Ajay working in a Cellular company as a salesman. His monthly salary is Rs. 200. But he gets bonus as per given rule. If he sells sim cards of Rs. X then his bonus will be   . In the first quarter of the year his average sale was Rs. 3000 per month. In the next 5 five month his average sale was Rs. 5000 per month and for next four month his average sale was Rs. 8000 per month. What is the average earning per month for the whole year?

 

  • 1] Rs. 3350
  • 2] Rs. 3610
  • 3] Rs. 3750
  • 4] Rs. 3560
  • 5] None of these
Solution
8
Discuss

The mean of 100 observations was calculated as 40. It was founder later on that one of the observation was misread as 83 instead of 53. The correct mean is :

  • 1] 39
  • 2] 39.7
  • 3] 40.3
  • 4] 42.7
Solution
9
Discuss

Average weight of 25 students of a class is 50 kg. If the weight of the class teacher is included , the average is increased by 1 kg. The weight of the teacher is ?

  • 1] 76 kg
  • 2] 77 kg
  • 3] 74 kg
  • 4] 75 kg
Solution
10
Discuss

The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is :

  • 1] 58
  • 2] 56
  • 3] 50
  • 4] 46
Solution
# Quiz