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Quantitative Aptitude

AVERAGES MCQs

Averages

Total Questions : 3752 | Page 114 of 376 pages
Question 1131.  a student's mark was wrongly entered as 83 instead of 63. due to that the average marks for the class got increased by 1/2. what is the number of students in the class?
  1.    45
  2.    40
  3.    35
  4.    38
 Discuss Question
Answer: Option B. -> 40
Explanation :
Question 1132.  a man's average daily expenditure is rs 12 during march, rs. 14 during april and rs. 17 during may. find the average daily expenditure for the three months
  1.    13.35
  2.    14.22
  3.    14.33
  4.    13.33
 Discuss Question
Answer: Option C. -> 14.33
Explanation :
Question 1133.  in madan's opinion, his weight is greater than 65 kg but less than 72 kg. his brother does not agree with madan and he thinks that madan's weight is greater than 60 kg but less than 70 kg. his mother
  1.    68 kg
  2.    69 kg
  3.    67 kg
  4.    70 kg
 Discuss Question
Answer: Option C. -> 67 kg
Explanation :
Question 1134.  a grocer has a sale of rs. 6435, rs. 6927, rs. 6855, rs. 7230 and rs. 6562 for 5 consecutive months. how much sale must he have in the sixth month so that he gets an average sale of rs. 6500?
  1.    4800
  2.    4991
  3.    5894
  4.    5654
 Discuss Question
Answer: Option B. -> 4991
Explanation :
Question 1135.  the average age of a lady and her daughter is 28.5 years. the ratio of their ages is 14 : 5 respectively. what is the daughter's age ?
  1.    7 years
  2.    13 years
  3.    15 years
  4.    18 years
 Discuss Question
Answer: Option C. -> 15 years
Explanation :
Question 1136.  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 1137.  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 1138.  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 1139.  the average age of a lady and her daughter is 28.5 years. the ratio of their ages is 14 : 5 respectively. what is the daughter's age ?
  1.    7 years
  2.    13 years
  3.    15 years
  4.    18 years
 Discuss Question
Answer: Option C. -> 15 years
Explanation :
Question 1140.  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 :

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