Average Aptitude Questions Answers Problems – Page 3

Average Aptitude Questions Answers Problems Test Online MCQ – Page 3

Average 3

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Question 1
The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is :
 
A
a) 25
B
b) 27
C
c) 30
D
d) 35
Question 2
The average of five age of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 14 students ? 
A
a) 15 years
B
b) 17 years
C
c) 18 years
D
d) 19 years
Question 3
  The average score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches is 42, then find the average for the last four matches.
 
A
a) 33.25
B
b) 33.5
C
c) 34.25
D
d) 35
Question 4
 The average of six numbers is 3.95. The average of two of them is 3.4 while the average of the other two is 3.85. What is the average of the remaining two numbers ?
 
A
a) 4.5
B
b) 4.6
C
c) 4.7
D
d) 4.8
Question 5
The betting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is :
A
a) 165 runs
B
b) 170 runs
C
c) 172 runs
D
d) 174 runs
Question 6
  The average price of 10 books is Rs. 12 while the average price of 8 of these books is Rs. 11.75. Of the remaining two books, if the price of one book is 60% more than the price of the other, what is the price of each of these two books ?
 
A
a) Rs. 5, Rs. 7.50
B
b) Rs. 8, Rs. 12
C
c) Rs. 10, Rs. 16
D
d) Rs. 12, Rs. 14
Question 7
The average of runs of a cricket of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4 ?
A
a) 2
B
b) 4
C
c) 70
D
d) 76
Question 8
A grocer has a sale of Rs. 6435, Rs. 6927, 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 ?
A
a) Rs. 4991
B
b) Rs. 5991
C
c) Rs. 6001
D
d) Rs. 6991
Question 9
 A company produces on an average 4000 items per month for the first 3 months. How many items it must produce on an average per month over the next 9 months, to average 4375 items per month over the whole ?
 
A
a) 4500
B
b) 4600
C
c) 4680
D
d) 4710
Question 10
 In the first 10 overs of a cricket game, the run was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs ?
A
a) 6.25
B
b) 6.5
C
c) 6.75
D
d) 7
Question 11
The average price of three items of furniture is Rs. 15000. If their prices are in the ratio 3 : 5 : 7, the price of the cheapest item is :
A
a) Rs. 9000
B
b) Rs. 15000
C
c) Rs. 18000
D
d) Rs. 21000
Question 12
Of the four numbers, the first is twice the second, the second is one-third of the third and the third is 5 times the fourth. The average of the numbers is 24.75. The largest of these numbers is :
 
A
a) 9
B
b) 25
C
c) 30
D
d) None of these
Question 13
Of the three numbers, whose average is 60, the first is one-fourth of the sum of the last three. The first number is :
 
A
a) 15
B
b) 45
C
c) 48
D
d) 60.25
Question 14
Of the three numbers, the first is twice the second and the second is twice the third. The average of the reciprocal of the numbers is  . The numbers are :
 
A
a) 16, 8, 4
B
b) 20, 10, 5
C
c) 24, 12, 6
D
d) 36, 18, 9
Question 15
Of the three numbers, the average of the first and the second is greater than the average of the second and the third by 15. What is the difference between the first and the third of the three numbers?
 
A
a) 15
B
b) 45
C
c) 60
D
d) None of these
Question 16
If the arithmetic mean of seventy-five number is calculated, it is 35. If each number is increased by 5, then mean of new numbers is :
 
A
a) 30
B
b) 40
C
c) 70
D
d) 90
Question 17
 The average of ten numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers is :
 
A
a) 7
B
b) 19
C
c) 82
D
d) 84
Question 18
   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 :
 
A
a) 35.2
B
b) 36.1
C
c) 36.5
D
d) 39.1
Question 19
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 :
 
A
a) 10
B
b) 20
C
c) 40
D
d) 73
Question 20
The average age of 15 students of a class is 15 years. Out of these, the average age of5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is :
A
a) 11 years
B
b) 14 years
C
c) 15 years
D
d) 15 years
Question 21
 The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is :
 
A
a) 11
B
b) 11.3
C
c) 11.4
D
d) 11.5
Question 22
The average temperature of the town in the first four days of a month was 58 degrees. The average for the second, third, fourth and fifth days was 60 degrees. If the temperatures of the first and fifth days were in the ration 7 : 8, then what is the temperatures on the fifth day ?
 
A
a) 64 degrees
B
b) 62 degrees
C
c) 56 degrees
D
d) None of these
Question 23
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is :
 
A
a) 17 kg
B
b) 20 kg
C
c) 26 kg
D
d) 31 kg
Question 24
 The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is :
 
A
a) Rs. 3500
B
b) Rs. 4000
C
c) Rs. 4050
D
d) Rs. 5000
Question 25
The average age of 36 students in a group is 14 years. When teacher’s age is include to it, the average increases by one. What is the teacher’s age in years ?
A
a) 31
B
b) 36
C
c) 51
D
d) Cannot be determined
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