759 + Mcqs in Average Page 8 McqOptions

351.	Given below are two statementsStatement I: The mean is the numerical average and is found by adding up all the values and dividing the sum by the number of valuesStatement II: The mean of the following wages is 16000i) 12000ii) 10000iii) 23000iv) 15000In light of the above statements, choose the correct answer from the options given below
A.	Both Statement I and Statement II are true
B.	Both Statement I and Statement II are false
C.	Statement I is correct but statement II is false
D.	Statement I is incorrect but Statement II is true
Answer» D. Statement I is incorrect but Statement II is true

Discussion

352.	Average of 50 numbers was calculated as 18. Three numbers 18, 32 and 65 were wrong taken as 25, 29 and 56. What will be the correct average?
A.	18.4
B.	17.8
C.	18.1
D.	17.6
Answer» D. 17.6

Discussion

353.	60% of the total donation required by the school was collected when 50% of the parents donated an average of Rs 1200. Find the average amount that should be donated by the rest of 50% of parents so that the school has the whole amount that was required.
A.	Rs. 800
B.	Rs. 1000
C.	Rs. 1200
D.	Rs. 1300
Answer» B. Rs. 1000

Discussion

354.	A car owner buys petrol at Rs. 6.50, Rs. 7.50 and Rs. 8.00 per liter for three successive years. What approximately is the average cost per liter of petrol if he spends Rs. 4500 each year?
A.	Rs. 7.27
B.	Rs. 8.25
C.	Rs. 7
D.	Rs. 8
Answer» B. Rs. 8.25

Discussion

355.	Mean of 5 number is 22. If one number is excluded, mean becomes 19. The excluded number is
A.	68
B.	34
C.	17
D.	20
Answer» C. 17

Discussion

356.	In the first 40 overs of a 50 over innings, the run rate was 4.8 runs/over. What is the required run rate in the remaining 10 overs to reach the target of 241 runs?
A.	6.7
B.	6.5
C.	6.3
D.	4.9
Answer» E.

Discussion

357.	A watch dealer purchased a certain number of watches at an average price of Rs. 190 per watch. The average cost of 10 watches was Rs. 175 and that of the remaining was Rs. 200. Find the total number of watches purchased by the dealer.
A.	40
B.	25
C.	30
D.	None of these
Answer» C. 30

Discussion

358.	Average weight of a group of 9 students is 43 kg. When a new student joins the group, the average weight of the group becomes 45 kg. What is the weight (in kg) of the new student?
A.	65
B.	59
C.	63
D.	61
Answer» D. 61

Discussion

359.	60 % of the Scholars in a college are Girls. The annual pocket money of each girl Scholar is Rs. 25,000 and Boy Scholar is Rs. 35,000. What is the average annual pocket money of all the scholars in the college together?
A.	29500
B.	31000
C.	29000
D.	30000
Answer» D. 30000

Discussion

360.	Average salary of 6 person is Rs. 15000 and the average salary of first 5 persons is Rs. 12,000 find the salary of 6th person.
A.	Rs. 20,000
B.	Rs. 24,000
C.	Rs. 30,000
D.	Rs. 18,000
Answer» D. Rs. 18,000

Discussion

361.	A person travels three equal distances at a speed of x km/h, y km/h and z km/h respectively. What is the average speed for the whole journey?
A.	xyz/(xy + yz + zx) km/h
B.	(xy + yz + zx)/Xyz km/h
C.	3xyz/(xy + yz + zx) km/h
D.	xyz/3 (3x + yz + zx) km/h
Answer» D. xyz/3 (3x + yz + zx) km/h

Discussion

362.	Average marks of 15 students in a class is 145, maximum marks being 150. If two lowest scores are removed, the average increases by 5. Also two lowest scores are consecutive multiple of 9. What is the lowest score in the class?
A.	126
B.	108
C.	117
D.	None of the above
Answer» C. 117

Discussion

363.	Find the average of first 50 natural numbers.
A.	50.15
B.	20.75
C.	51.3
D.	25.5
Answer» E.

Discussion

364.	A person bought 100 cars for Rs. 40000. If the average price of 60 cars is Rs. 500, then what will be the average price (in Rs.) of remaining cars?
A.	200
B.	250
C.	300
D.	350
Answer» C. 300

Discussion

365.	Average of 7 consecutive numbers is 15. Which number is the smallest of the 7 numbers?
A.	8
B.	10
C.	12
D.	6
Answer» D. 6

Discussion

366.	Find the average.23, 42, 15, 20, 25
A.	25
B.	24
C.	23
D.	20
Answer» B. 24

Discussion

367.	Mean marks of 60 students of a class are 63 and that of 40 others students are 60. The mean marks of all taken together are
A.	61.8
B.	61.5
C.	62
D.	None of the above
Answer» B. 61.5

Discussion

368.	Find the average of all the prime numbers between 20 and 50.
A.	35.857
B.	35.657
C.	34.857
D.	36.657
Answer» B. 35.657

Discussion

369.	Out of the five subjects, the average marks of Suman in first 3 Subjects was 81 and the average marks in the last 3 subjects was 74. If her marks in the third subject was 65, then what was her average marks in all the subjects?
A.	75
B.	76
C.	79
D.	80
Answer» E.

Discussion

370.	40% of the employees in a factory are workers. All the remaining employees are executives. The annual income of each worker is Rs. 39,000. The annual income of each executive is Rs. 42,000. What is the average annual income of all employees in the factory together?
A.	Rs. 40,500
B.	Rs. 40,800
C.	Rs. 41,000
D.	Rs. 41,500
Answer» C. Rs. 41,000

Discussion

371.	Mean temperature of a city for a week is 28°C. If the mean temperature for Monday, Tuesday, Wednesday and Thursday is 27.5°C and the mean temperature for Thursday, Friday, Saturday and Sunday is 29°C, then the temperature recorded on Thursday is:
A.	31°C
B.	30°C
C.	28°C
D.	29°C
Answer» C. 28°C

Discussion

372.	In a class of 65 students there are 39 girls. The average weight of these girls is 60 Kg and average weight of the full class is 64 kg. What is the average weight of the boys of the class?
A.	69 kg
B.	66 kg
C.	68 kg
D.	70 kg
Answer» E.

Discussion

373.	Average weight of P and Q is 32 kg. Average weight of Q and R is 43 kg. Average weight of P and R is 51 kg. What is the average weight (in kg) of P, Q and R?
A.	44
B.	42
C.	40
D.	38
Answer» C. 40

Discussion

374.	If p, q, r and s are four consecutive even numbers, then their average is:
A.	p + 3
B.	p + 4
C.	p + 1
D.	p + 2
Answer» B. p + 4

Discussion

375.	Average of 7 consecutive even numbers is 32. Which number is the largest of the 7 numbers?
A.	36
B.	34
C.	38
D.	40
Answer» D. 40

Discussion

376.	Find the average.44, 57, 41, 28, 30
A.	40
B.	41
C.	42
D.	43
Answer» B. 41

Discussion

377.	In the first 20 overs of a cricket match between India and Australia, India's per over run rate was 7.1, now the target of 425 runs is to be achieved in 45 overs. What is the minimum average required for India to make sure that they will win the game?
A.	12.5
B.	11
C.	11.3
D.	6
Answer» D. 6

Discussion

378.	Average of the marks of 132 students of a college is 40. If the average of the marks of the passed students is 42 and the average of the marks of the failed students is 20, then what will be the respective ratio of the total marks of passed students and the total marks of failed students?
A.	21 ∶ 1
B.	23 ∶ 2
C.	19 ∶ 11
D.	9 ∶ 2
Answer» B. 23 ∶ 2

Discussion

379.	In a class of 100 students, there are 70 boys whose average marks in a subject are 75. If average marks of the complete class is 72, then what is the average marks of the girls?
A.	64
B.	65
C.	68
D.	74
Answer» C. 68

Discussion

380.	In a class of 80 students, the ratio of the urban to the rural is 5 : 3. In a test, the average score of the rural students is 40% more than the urban students. If the average score of all the students is 69, then what is the average score of the rural students?
A.	84
B.	80
C.	92
D.	76
Answer» B. 80

Discussion

381.	If the population of a town increases by 25% in the first year and increases by 36% in the second year, then what is the average rate (in percentage)of increase in the population?
A.	26
B.	30.5
C.	31.66
D.	35
Answer» E.

Discussion

382.	Find the average of the following numbers: 9, 99 and 999
A.	100
B.	450
C.	499
D.	369
Answer» E.

Discussion

383.	Find the average.81, 72, 63, 55, 43 & 34
A.	58
B.	52
C.	61
D.	56
Answer» B. 52

Discussion

384.	Among four bags, the average weight of the last three bags is 18 kg and the average weight of the first three bags is 19 kg. If the weight of the last bag is 22 kg, then what is the weight (in kg) of first bag?
A.	32
B.	24
C.	33
D.	25
Answer» E.

Discussion

385.	Find the average:66, 72, 78, 84, 90 & 96
A.	78
B.	80
C.	81
D.	79
Answer» D. 79

Discussion

386.	If the average marks of three batches of 50, 60 and 70 students respectively is 65, 50 and 80, then the average marks of all the students is:
A.	66
B.	55
C.	62
D.	60
Answer» B. 55

Discussion

387.	Find the average.32, 58, 42, 27, 31
A.	37
B.	38
C.	39
D.	40
Answer» C. 39

Discussion

388.	Average of 12 numbers is 15. If a number 41 is also included, then what will be the average of these 13 numbers?
A.	16
B.	18
C.	19
D.	17
Answer» E.

Discussion

389.	Mean marks of 60 students of a class are 63 and that of 40 other students are 60. The mean marks of all taken together are
A.	61.8
B.	61.5
C.	62
D.	None of these
Answer» B. 61.5

Discussion

390.	An English-based company has 629 men and 629 female employees in a collaborative project. The average attendance of all employees is 72 calls per day. On average, an average 72 calls are received by a male employee every day. What will be the average of the number of calls being added by the women staff daily?
A.	72
B.	74
C.	71
D.	73
Answer» B. 74

Discussion

391.	Find the average of first 20 multiples of 9.
A.	94.8
B.	94.7
C.	94.6
D.	94.5
Answer» E.

Discussion

392.	A mark list of 30 students prepared by the teacher and average of their marks was 68. But, mark of one student was written as 35 instead of 53. Find the correct average marks.
A.	67.4
B.	65.6
C.	64.2
D.	68.6
E.	70.2
Answer» E. 70.2

Discussion

393.	A person was asked to make a guess about his own weight. He guessed that it is greater than 70 kg but less than 80 kg. His friend guessed that it is more than 74 kg but less than 84 kg. His mother said that it is less than 78 kg. Given that the weight is a whole number and that all three guessed correctly, what is the average (in kg) of the possible weights?
A.	76.5 kg
B.	76 kg
C.	77 kg
D.	75 kg
Answer» C. 77 kg

Discussion

394.	From a group 12 men, if the two men of age 28 years and 32 years are replaced by two women, wherein both of them are of the same age, As a result, the average age of the group decreases by one year, What is the age of these women?
A.	24 years
B.	25 years
C.	24.5 years
D.	25.5 years
Answer» B. 25 years

Discussion

395.	Find the average of the first 20 multiples of 7
A.	70.5
B.	73.5
C.	72.5
D.	71.5
Answer» C. 72.5

Discussion

396.	A grocer has a sale of Rs. 6,435, Rs. 6,927, Rs. 6,855 Rs. 7,230 and Rs. 6,562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6,500 ?
A.	Rs. 6,001
B.	Rs. 5,991
C.	Rs. 4,991
D.	Rs. 6,991
Answer» D. Rs. 6,991

Discussion

397.	In a club there are 12 wrestlers. When a wrestler whose weight is 90 kg leaves the club, he is replaced by a new wrestler then the average weight of this 12 member club increases by 0.75 kg. What is the weight (in kg) of the new wrestler who joined the club?
A.	108
B.	99
C.	112
D.	100
Answer» C. 112

Discussion

398.	Out of a total of 10 students, the average weight of 9 students is 60 kg. If the weight of the 10th student is 9 kg more than the average weight of all the 10 students, then the weight of 10th student would be:
A.	61 kg
B.	69 kg
C.	70 kg
D.	71 kg
Answer» D. 71 kg

Discussion

399.	A gift box has 10 bangles. The average weight of the first four bangles is 49 gms and the remaining average weight of the 6 bangles is 50 gms. Tell the average weight of all bangles (in grams)
A.	49.6
B.	49.4
C.	49.7
D.	49.5
Answer» B. 49.4

Discussion

400.	In a class, the number of girls is 60% more than the number of boys. Boys have an average weight of 2.6 kg more than girls. If the average weight of all boys and girls is 50 kg, then what is the average weight (in kg) of girls?
A.	48.8
B.	49.2
C.	49
D.	48
Answer» D. 48

Discussion

Explore topic-wise MCQs in General Aptitude.

Average of 50 numbers was calculated as 18. Three numbers 18, 32 and 65 were wrong taken as 25, 29 and 56. What will be the correct average?

60% of the total donation required by the school was collected when 50% of the parents donated an average of Rs 1200. Find the average amount that should be donated by the rest of 50% of parents so that the school has the whole amount that was required.

A car owner buys petrol at Rs. 6.50, Rs. 7.50 and Rs. 8.00 per liter for three successive years. What approximately is the average cost per liter of petrol if he spends Rs. 4500 each year?

Mean of 5 number is 22. If one number is excluded, mean becomes 19. The excluded number is

In the first 40 overs of a 50 over innings, the run rate was 4.8 runs/over. What is the required run rate in the remaining 10 overs to reach the target of 241 runs?

A watch dealer purchased a certain number of watches at an average price of Rs. 190 per watch. The average cost of 10 watches was Rs. 175 and that of the remaining was Rs. 200. Find the total number of watches purchased by the dealer.

Average weight of a group of 9 students is 43 kg. When a new student joins the group, the average weight of the group becomes 45 kg. What is the weight (in kg) of the new student?

60 % of the Scholars in a college are Girls. The annual pocket money of each girl Scholar is Rs. 25,000 and Boy Scholar is Rs. 35,000. What is the average annual pocket money of all the scholars in the college together?

Average salary of 6 person is Rs. 15000 and the average salary of first 5 persons is Rs. 12,000 find the salary of 6th person.

A person travels three equal distances at a speed of x km/h, y km/h and z km/h respectively. What is the average speed for the whole journey?

Average marks of 15 students in a class is 145, maximum marks being 150. If two lowest scores are removed, the average increases by 5. Also two lowest scores are consecutive multiple of 9. What is the lowest score in the class?

Find the average of first 50 natural numbers.

A person bought 100 cars for Rs. 40000. If the average price of 60 cars is Rs. 500, then what will be the average price (in Rs.) of remaining cars?

Average of 7 consecutive numbers is 15. Which number is the smallest of the 7 numbers?

Find the average.23, 42, 15, 20, 25

Mean marks of 60 students of a class are 63 and that of 40 others students are 60. The mean marks of all taken together are

Find the average of all the prime numbers between 20 and 50.

Out of the five subjects, the average marks of Suman in first 3 Subjects was 81 and the average marks in the last 3 subjects was 74. If her marks in the third subject was 65, then what was her average marks in all the subjects?

40% of the employees in a factory are workers. All the remaining employees are executives. The annual income of each worker is Rs. 39,000. The annual income of each executive is Rs. 42,000. What is the average annual income of all employees in the factory together?

Mean temperature of a city for a week is 28°C. If the mean temperature for Monday, Tuesday, Wednesday and Thursday is 27.5°C and the mean temperature for Thursday, Friday, Saturday and Sunday is 29°C, then the temperature recorded on Thursday is:

In a class of 65 students there are 39 girls. The average weight of these girls is 60 Kg and average weight of the full class is 64 kg. What is the average weight of the boys of the class?

Average weight of P and Q is 32 kg. Average weight of Q and R is 43 kg. Average weight of P and R is 51 kg. What is the average weight (in kg) of P, Q and R?

If p, q, r and s are four consecutive even numbers, then their average is:

Average of 7 consecutive even numbers is 32. Which number is the largest of the 7 numbers?

Find the average.44, 57, 41, 28, 30

In the first 20 overs of a cricket match between India and Australia, India's per over run rate was 7.1, now the target of 425 runs is to be achieved in 45 overs. What is the minimum average required for India to make sure that they will win the game?

Average of the marks of 132 students of a college is 40. If the average of the marks of the passed students is 42 and the average of the marks of the failed students is 20, then what will be the respective ratio of the total marks of passed students and the total marks of failed students?

In a class of 100 students, there are 70 boys whose average marks in a subject are 75. If average marks of the complete class is 72, then what is the average marks of the girls?

In a class of 80 students, the ratio of the urban to the rural is 5 : 3. In a test, the average score of the rural students is 40% more than the urban students. If the average score of all the students is 69, then what is the average score of the rural students?

If the population of a town increases by 25% in the first year and increases by 36% in the second year, then what is the average rate (in percentage)of increase in the population?

Find the average of the following numbers: 9, 99 and 999

Find the average.81, 72, 63, 55, 43 & 34

Among four bags, the average weight of the last three bags is 18 kg and the average weight of the first three bags is 19 kg. If the weight of the last bag is 22 kg, then what is the weight (in kg) of first bag?

Find the average:66, 72, 78, 84, 90 & 96

If the average marks of three batches of 50, 60 and 70 students respectively is 65, 50 and 80, then the average marks of all the students is:

Find the average.32, 58, 42, 27, 31

Average of 12 numbers is 15. If a number 41 is also included, then what will be the average of these 13 numbers?

Mean marks of 60 students of a class are 63 and that of 40 other students are 60. The mean marks of all taken together are

Find the average of first 20 multiples of 9.

A mark list of 30 students prepared by the teacher and average of their marks was 68. But, mark of one student was written as 35 instead of 53. Find the correct average marks.

From a group 12 men, if the two men of age 28 years and 32 years are replaced by two women, wherein both of them are of the same age, As a result, the average age of the group decreases by one year, What is the age of these women?

Find the average of the first 20 multiples of 7

A grocer has a sale of Rs. 6,435, Rs. 6,927, Rs. 6,855 Rs. 7,230 and Rs. 6,562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6,500 ?

In a club there are 12 wrestlers. When a wrestler whose weight is 90 kg leaves the club, he is replaced by a new wrestler then the average weight of this 12 member club increases by 0.75 kg. What is the weight (in kg) of the new wrestler who joined the club?

Out of a total of 10 students, the average weight of 9 students is 60 kg. If the weight of the 10th student is 9 kg more than the average weight of all the 10 students, then the weight of 10th student would be:

A gift box has 10 bangles. The average weight of the first four bangles is 49 gms and the remaining average weight of the 6 bangles is 50 gms. Tell the average weight of all bangles (in grams)

In a class, the number of girls is 60% more than the number of boys. Boys have an average weight of 2.6 kg more than girls. If the average weight of all boys and girls is 50 kg, then what is the average weight (in kg) of girls?