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Quantitative Aptitude

AVERAGES MCQs

Averages

Total Questions : 3752 | Page 11 of 376 pages
Question 101.  a cricketer has a certain average for 10 innings. in the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. his new average is:
  1.    48
  2.    52 runs
  3.    55 runs
  4.    60 runs
 Discuss Question
Answer: Option A. -> 48
Explanation :
Question 102.  a pupil's marks were wrongly entered as 83 instead of 63. due to that the average marks for the class got increased by half. the number of pupils in the class is :
  1.    45
  2.    40
  3.    39
  4.    37
 Discuss Question
Answer: Option B. -> 40
Explanation :
Question 103.  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 tha
  1.    20 years
  2.    21 years
  3.    23 years
  4.    25 years
 Discuss Question
Answer: Option C. -> 23 years
Explanation :
Question 104.  a car owner buys petrol at rs 7.50, rs. 8 and rs. 8.50 per litre for three successive years. what approximately is the average cost per litre of petrol if he spends rs. 4000 each year ?
  1.    6.23
  2.    7.98
  3.    8.97
  4.    9.89
 Discuss Question
Answer: Option B. -> 7.98
Explanation :
Question 105.  the average of the age of a, b, c is 25 years, while the average of the age of a, b and d is 28 years. if d is 28 years old, then what is the age of c?
  1.    17 years
  2.    18 years
  3.    19 years
  4.    20 years
 Discuss Question
Answer: Option C. -> 19 years
Explanation :
Question 106.  what is the average of the following numbers ? 126, 322, 610, 716, 805, 949
  1.    568
  2.    674
  3.    792
  4.    845
 Discuss Question
Answer: Option A. -> 568
Explanation :
Question 107.  the average age of 60 boys in a class was calculated as 12 years it was later realised that the actual age of one boys in the class was 12.5 years, but it was taken as 14 years. what is the actual ave
  1.    8.975 years
  2.    9.975 years
  3.    10.975 years
  4.    11.975 years
 Discuss Question
Answer: Option D. -> 11.975 years
Explanation :
Question 108.  the average age of a man and his son is 48 years. the ratio of their ages is 11:5 respectively. what will be ratio of their ages after 6 years ?
  1.    1 : 7
  2.    1 : 5
  3.    1 : 2
  4.    2 : 1
 Discuss Question
Answer: Option D. -> 2 : 1
Explanation :
Question 109.  find the average of the following set of numbers: 545,719,312,239,609,777,850,342 and 205
  1.    510.88
  2.    511.88
  3.    512.88
  4.    513.88
 Discuss Question
Answer: Option A. -> 510.88
Explanation :
Question 110.  a man can row at a speed of 7 kmh- 1 in still water to a certain point upstream and back to the starting point in a river, whose speed of flowing is 3 kmh'. what is his average speed in the total jour
  1.    2 5/7 kmh-1
  2.    3 5/7 kmh-1
  3.    4 5/7 kmh-1
  4.    5 5/7 kmh-1
 Discuss Question
Answer: Option D. -> 5 5/7 kmh-1
Explanation :

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