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Quantitative Aptitude

AVERAGES MCQs

Averages

Total Questions : 3752 | Page 10 of 376 pages
Question 91.  a batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. what is his average after the 17thinnings?
  1.    34
  2.    35
  3.    36
  4.    37
 Discuss Question
Answer: Option D. -> 37
Explanation :
Question 92.  visitors to show were charged rs.15 each on the first day. rs.7.50 on the second day, rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. the average cha
  1.    Rs.3
  2.    Rs.4.50
  3.    Rs.5.00
  4.    Rs.7.50
 Discuss Question
Answer: Option C. -> Rs.5.00
Explanation :
Question 93.  the average temperature for monday, tuesday, wednesday and thursday was 48 degrees and for tuesday, wednesday, thursday and friday was 46 degrees. if the temperature on monday was 42 degrees. find the
  1.    40 degrees
  2.    38 degrees
  3.    36 degrees
  4.    34 degrees
 Discuss Question
Answer: Option D. -> 34 degrees
Explanation :
Question 94.  the average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person. find the age of the new person?
  1.    22
  2.    24
  3.    12
  4.    8
 Discuss Question
Answer: Option C. -> 12
Explanation :
Question 95.  the average runs scored by a batsman in 20 matches is 40. in the next 10 matches the batsman scored an average of 13 runs. find his average in all the 30 matches?
  1.    31
  2.    29
  3.    28
  4.    30
 Discuss Question
Answer: Option A. -> 31
Explanation :
Question 96.  the total marks obtained by a student in physics, chemistry and mathematics is 150 more than the marks obtained by him in physics. what is the average mark obtained by him in chemistry and mathematics
  1.    75
  2.    150
  3.    50
  4.    Cannot be determined
 Discuss Question
Answer: Option A. -> 75
Explanation :
Question 97.  the average height of 35 boys in a class was calculated as 180cm. it has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm.
  1.    179.29 cm
  2.    178.29 cm
  3.    179.38 cm
  4.    178.39 cm
 Discuss Question
Answer: Option B. -> 178.29 cm
Explanation :
Question 98.  rahim bought 65 books for rs.1150 from one shop and 50 books for rs.920 from another. what is the average price he paid per book ?
  1.    Rs.20
  2.    Rs.18
  3.    Rs.22
  4.    Rs.16
 Discuss Question
Answer: Option B. -> Rs.18
Explanation :
Question 99.  a total of 3000 chocolates were distributed among 120 boys and girls such that each boy received 2 chocolates and each girl received 3 chocolates. find the respective number of boys and girls?
  1.    70, 50
  2.    60, 60
  3.    50, 70
  4.    40, 80
 Discuss Question
Answer: Option B. -> 60, 60
Explanation :
Question 100. The mean of 50 observations was 36. it was found later that an observation 48 was wrongly taken as 23. the corrected new mean is:
  1.    35.2
  2.    36.1
  3.    36.5
  4.    39.1
 Discuss Question
Answer: Option C. -> 36.5
Explanation :

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