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Quantitative Aptitude

AVERAGES MCQs

Averages

Total Questions : 3752 | Page 116 of 376 pages
Question 1151.  in a class, the average age of 20 students is 15 years. if the teacher is also included in the class, the average age increases by one year. what is the age of the teacher ?
  1.    32 years
  2.    34 years
  3.    36 years
  4.    40 years
 Discuss Question
Answer: Option C. -> 36 years
Explanation :
Question 1152.  the average age of a husband and his wife was 23 years at the time of their marriage. after five years they have a one year old child. what is the average age of the family ?
  1.    19 years
  2.    26 years
  3.    27 years
  4.    29 years
 Discuss Question
Answer: Option A. -> 19 years
Explanation :
Question 1153.  in a class, the average age of 20 students is 15 years. if the teacher is also included in the class, the average age increases by one year. what is the age of the teacher ?
  1.    32 years
  2.    34 years
  3.    36 years
  4.    40 years
 Discuss Question
Answer: Option C. -> 36 years
Explanation :
Question 1154.  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 1155.  the average age of a man and his son is 64 years. the ratio of their ages is 5 : 3. what is the age of the son ?
  1.    48 years
  2.    52 years
  3.    56 years
  4.    60 years
 Discuss Question
Answer: Option A. -> 48 years
Explanation :
Question 1156.  a is 30% more efficient than b. how much time will they working together take to complete a job which a alone could have done in 23 days?
  1.    11
  2.    13
  3.    20 3/17   
  4.    None of these
 Discuss Question
Answer: Option B. -> 13
Explanation :
Question 1157.  the average number of handicrafts made by 5 women in a day is 28. if thier supervisor also joins them the average number of handicrafts made in a day increases by 1. how many handicrafts does the supe
  1.    32
  2.    33
  3.    34
  4.    35
 Discuss Question
Answer: Option C. -> 34
Explanation :
Question 1158.  what is the average of the following numbers ? 791589,375624,281946,910288,996647,865742,576839
  1.    675525
  2.    685525
  3.    695525
  4.    705525
 Discuss Question
Answer: Option B. -> 685525
Explanation :
Question 1159.  the average number of handicrafts made by 5 women in a day is 28. if thier supervisor also joins them the average number of handicrafts made in a day increases by 1. how many handicrafts does the supe
  1.    32
  2.    33
  3.    34
  4.    35
 Discuss Question
Answer: Option C. -> 34
Explanation :
Question 1160.  find the average of the following set of scores. 862, 341, 776, 484, 521, 988, 665, 467
  1.    635
  2.    636
  3.    637
  4.    638
 Discuss Question
Answer: Option D. -> 638
Explanation :

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