559 + Mcqs in Average Page 9 McqOptions

401.	Average weight of three boys P, T and R is 54
A.	53.8 kg
B.	52.4 kg
C.	53.4 kg
D.	Cannot be determined
E.	None of the above
Answer» E. None of the above

Discussion

402.	A car reached Raipur from Somgarh in 35 min With an average speed of 69 km/h. If the average speed is increased by 36 km/h, how much time will it take to cover the same distance ?
A.	24 min
B.	27 min
C.	23 min
D.	29 min
E.	None of the above
Answer» D. 29 min

Discussion

403.	A man divides his total route of journey into three equal parts and decide to travel the three parts with speed of 15 km/h. 10 km/h and 5 km/ h respectively. Find his average speed of during journey.
A.	2.28 km/h
B.	9 km/h
C.	14 km/h
D.	8.18 km /h
E.	None of the above
Answer» E. None of the above

Discussion

404.	The average temperature of Delhi for four days in a particular month is 48 C. If the average temperature of second and third days 34 C and the ratio of the temperature of first and fourth days is 9 : 11 then find out the temperature of first and fourth days.
A.	45.5 C, 49.9 C
B.	32.4 C, 39.8 C
C.	43.4 C, 68.2 C
D.	54.4 C, 46.8 C
E.	None of the above
Answer» F.

Discussion

405.	A man spends average of 1694. 70 per month for the first 7 month and 1810.50 per month for the next 5 months. His monthly salary if he saves 3084.60. during the whole year is ?
A.	2400
B.	3000
C.	1000
D.	2000
Answer» E.

Discussion

406.	In the afternoon, a student read 100 pages at the rate of 60 pages/h. In the evening, when she was tired, she read 100 more pages at the rate of 40 pages/h . What was her average rate of reading in pages per hour ?
A.	48
B.	50
C.	60
D.	70
Answer» B. 50

Discussion

407.	Mr. Bundda travels in this car and covers 1/4 part of his journey with 8 km/h, 3/5 part with 6 km/h and remaining 3/20 part with a speed of 10 km/h. Find out his average speed during the whole journey.
A.	6.83 km/h
B.	9 km/h
C.	4 k/h
D.	8.5 km/h
E.	None of the above
Answer» B. 9 km/h

Discussion

408.	The average age of 4 member of a family is 25 yr. If head of the family is included in this group then average age increase by 20%. Find out the age of the head.
A.	45 yr
B.	50 yr
C.	55 yr
D.	60 yr
Answer» C. 55 yr

Discussion

409.	The mean weight of 150 students in class is 60 kg. The mean weight of boys is 70 kg and that of girls is 55 kg. What is the number of boys in the class ?
A.	50
B.	60
C.	75
D.	100
Answer» B. 60

Discussion

410.	The average weight of 10 woman is incraesed by 1 kg if 2 woman of 42 kg and 38 kg are replaced by 2 men.Find the average weight of both the men?
A.	46 kg
B.	45kg
C.	42 kg
D.	44 kg
E.	None of the above
Answer» C. 42 kg

Discussion

411.	The average monthly income of 4 earning members of a family is 7350. One member passes away and the average monthly income become 6500. What was the monthly income of the person, who is no more ?
A.	6928
B.	8200
C.	9900
D.	13850
Answer» D. 13850

Discussion

412.	Columbus started his journey from Lucknow to Kolkata, Which is 200 K.M., at the speed of 40 KM/hr, then he went to Banglore which is 300 Km, at the speed of 20 KM/hr . Further he went to Ahmedabad which is 500 Km, at the speed of 10 Km/hr. The average speed of Columbus is :
A.	14 2/7 KM/hr
B.	14 5/7 KM/hr
C.	15.6 KM/hr
D.	none of these
Answer» B. 14 5/7 KM/hr

Discussion

413.	If the algebraic sum of deviations of 20 observation measured from 23 is 70, mean of these observation would be
A.	24
B.	25
C.	26
D.	27
E.	None of these above
Answer» F.

Discussion

414.	The average of 50 number is 38. If the two numbers 45 and 55 are not considered, What will be the average of remaining numbers?
A.	36.5
B.	37
C.	37.5
D.	37.52
Answer» D. 37.52

Discussion

415.	The average height of 40 student is 163 cm. On a particular day, three student A, B, C were absent and the average of the remaining 37 student was found to be 162 cm. if A, B have equal height and the height of C be 2 cm less than that of A, find the height of A ?
A.	176 cm
B.	166 cm
C.	180 cm
D.	186 cm
Answer» B. 166 cm

Discussion

416.	The average age of 30 students in a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 them is 14 years. The average age of the remaining students is ?
A.	8 years
B.	10 years
C.	12 years
D.	14 years
Answer» D. 14 years

Discussion

417.	The average marks of 30 students are 45 but after checking there are two mistakes found. After adjustment if a student got 45 more markes and other student got 15 less marks, then What will be the adjusted average?
A.	45
B.	44
C.	47
D.	46
Answer» C. 47

Discussion

418.	A shopkeeper earned Rs. 504 in 12 days. His average income for the first four days was Rs. 40 a day. His average income for the remaining days is?
A.	Rs. 40
B.	Rs. 42
C.	Rs. 43
D.	Rs. 45
Answer» D. Rs. 45

Discussion

419.	The average weight of three men A, B and C is 84 kg. Another man D joins the group and the new average becomes 80 kg if another man E, whose weight is 3kg more than that of D, replace A, then the average weight of B , C, D and E becomes 79 kg. the weight of A is ?
A.	70 kg
B.	72 kg
C.	75 kg
D.	80 kg
Answer» D. 80 kg

Discussion

420.	The average age of a family of 6 member is 22 years . if the age of the youngest member be 7 years , what was the average age of the family at the birth of the youngest member was ?
A.	15 years
B.	17 years
C.	17.5 years
D.	18 years
Answer» E.

Discussion

421.	The mean marks obtained by seven students group is 226. If the marks obtained by six of them are 340, 180, 260, 56, 275 and 307 respectively. Find the markes obtained by the seventh student.
A.	164
B.	226
C.	340
D.	cannot be determined
Answer» B. 226

Discussion

422.	Visitors to a 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 three days were in the ratio 2 : 5 : 13 respectively. The average charge per person for the entire three days is
A.	Rs. 5
B.	Rs. 5.50
C.	Rs. 6
D.	Rs. 7
Answer» B. Rs. 5.50

Discussion

423.	The average weight of 3 men A, B and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E whose weight is 3 kg more than that of D, replaces A, then the average weight of B, C, D and E becomes 79 kg. Find the weight of A.
A.	72 kg
B.	74 kg
C.	75 kg
D.	76 kg
Answer» D. 76 kg

Discussion

424.	A librarian purchased 60 story books for his library. But he found that he could get 4 extra books by spending Rs. 336 more and then the overall average price per book would be reduced by Re 1. The previous average price of each book was
A.	Rs. 84
B.	Rs. 83
C.	Rs. 68
D.	Rs. 100
Answer» E.

Discussion

425.	The arithmetical mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25%, a mean score of 31. The mean score of remaining 55% is
A.	54.6%
B.	45%
C.	50'%
D.	51.4%
Answer» E.

Discussion

426.	The average weight of 4 men, A, B, C and D is 67 kg. The 5th man E is included and the average weight decreses by 2 kg. A is replaced by F. The weight of F is 4 kg more then E . Average weight decreases because of the replacement of A and now the average weight is 64 kg. Find the weight of A.
A.	78 kg
B.	66 kg
C.	75 kg
D.	58 kg
E.	None of the above
Answer» C. 75 kg

Discussion

427.	5 yr ago, the average age of Rashmi and Surbhi was 20 yr, Now, the average age of Rashmi, Surbhi and Meeta is 30 yr. What will be the age of Meeta after 15 yr. ?
A.	35 yr
B.	55 yr
C.	39 yr
D.	67 yr
E.	None of the above
Answer» C. 39 yr

Discussion

428.	The average weight of the students in four sections A, B, C and D is 60 kg. The average weight of the students of A, B, C and D individually are 45 kg, 50 kg, 72 kg and 80 kg, respectively. If the average weight of the students of section A and B together is 48 kg and that of B and C together is 60 kg. What is the ratio of the number of the students in sections A and D ?
A.	12 : 7
B.	4 : 3
C.	3 : 2
D.	8 : 5
Answer» C. 3 : 2

Discussion

429.	Average weight of 25 persons is increased by 1 kg when one man weighing 60 kg is replaced by a new person. Weight of new person is :
A.	50 kg
B.	61 kg
C.	86 kg
D.	85 kg
Answer» E.

Discussion

430.	The average weight of 20 students in a class is increased by 0.75 kg when one of the students weighing 30 kg is replaced by a new student. Weight of the new student (in kg) is :
A.	35
B.	40
C.	45
D.	50
Answer» D. 50

Discussion

431.	The average of 9 integers is found to be 11. But after the calculation, it was detected that, by mistake, the integer 23 was copied as 32, while calculating the average. After the due correction is made, the new average will be
A.	10
B.	9
C.	10.1
D.	9.5
Answer» B. 9

Discussion

432.	The average of three numbers is 40. The first number is twice the second and the second one is thrice the third number. The difference between the largest and the smallest numbers is
A.	30
B.	36
C.	46
D.	60
Answer» E.

Discussion

433.	The average of three numbers is 28, the first number is half of the second, the third number is twice the second, then the third number is
A.	48
B.	36
C.	24
D.	18
Answer» B. 36

Discussion

434.	The average of 10 items was found to be 80 but while calculating, one of the items was counted as 60 instead of 50. Then the correct average would havebeen :
A.	69
B.	79.25
C.	79
D.	79.5
Answer» D. 79.5

Discussion

435.	The mean value of 20 observations was found to be 75, but later on it was detected that 97 was misread as 79. Find the correct mean.
A.	75.7
B.	75.8
C.	75.9
D.	75.6
Answer» D. 75.6

Discussion

436.	The mean of 20 items is 47. Later it is found that the item 62 is wrongly written as 26. Find the correct mean.
A.	48 8
B.	47 7
C.	49 9
D.	46 6
Answer» B. 47 7

Discussion

437.	Among three numbers, second is twice the first and also thrice the third. If the average of the three numbers is 33, then the largest number is :
A.	36
B.	54
C.	62
D.	72
Answer» C. 62

Discussion

438.	Of three numbers, the first is 4 times the second and 3 times the third. If the average of all the three numbers is 95, what is the third number ?
A.	76
B.	60
C.	130
D.	57
Answer» C. 130

Discussion

439.	Of the three numbers, the first number is twice of the second and the second is thrice of the third number. If the average of these 3 numbers is 20, then the sum of the largest and smallest numbers is
A.	24
B.	42
C.	54
D.	60
Answer» C. 54

Discussion

440.	The average of 8, 9, 12, 13, 15, 9 is
A.	11
B.	6
C.	16
D.	18
Answer» B. 6

Discussion

441.	A has 8 pencils, B has 10 pencils and C has 15 pencils, then the average number of pencils with them are
A.	8
B.	10
C.	15
D.	lies between 9 and 15
Answer» E.

Discussion

442.	The average age of 7 member of Patel's family is 25 year. The average age of the same family 3 year ago was
A.	21 year
B.	22 year
C.	25 year
D.	none of these
Answer» C. 25 year

Discussion

443.	Out of three numbers, the first is twice the second and is half of the third. If the average of three number is 56, the three number in order are ?
A.	48, 96, 24
B.	48, 24, 96
C.	96, 24, 48
D.	96, 48, 24
Answer» C. 96, 24, 48

Discussion

444.	The mean of 100 observations was calculated as 40. It was found later on that one of the observations was misread as 83 instead of 53. The correct mean is :
A.	39
B.	39.7
C.	40.3
D.	42.7
Answer» C. 40.3

Discussion

445.	Find the average of all prime numbers between 60 and 90.
A.	72
B.	74.7
C.	74
D.	73.6
Answer» C. 74

Discussion

446.	The Average of six observation is 12. The average decreases by 1 when a new observation is included. What is the seventh observation?
A.	1
B.	3
C.	5
D.	6
Answer» D. 6

Discussion

447.	Average to ten number is 7 . If every number is multiplied by 12, What will be the average of new numbers ?
A.	7
B.	9
C.	82
D.	84
Answer» E.

Discussion

448.	The average weight of 60 students in a class was calculated to be 40 kg. Later it was found out that the weight of one of the students was calculated as 36 kg, whereas his actual weight was 33 kg. What is the actual average weight of the students in the class ?
A.	39.90 kg
B.	39.95 kg
C.	39 kg
D.	38 kg
E.	None of theses
Answer» C. 39 kg

Discussion

449.	The average height of 40 students is 163 cm. On a particular day, three students namely A, B, C were absent and the average of the remaining 37 students was found to be 162 cm. If A and B have equal height and the height of C be 2 cm less than that of A, find the height of A.
A.	170 cm
B.	172 cm
C.	176 cm
D.	174 cm
Answer» D. 174 cm

Discussion

450.	The average of 6 observations is 12. A new seventh observation is included and the new average is decreased by 1. Find the seventh observation.
A.	5
B.	7
C.	8
D.	9
Answer» B. 7

Discussion

Explore topic-wise MCQs in Aptitude.

Average weight of three boys P, T and R is 54

A car reached Raipur from Somgarh in 35 min With an average speed of 69 km/h. If the average speed is increased by 36 km/h, how much time will it take to cover the same distance ?

A man divides his total route of journey into three equal parts and decide to travel the three parts with speed of 15 km/h. 10 km/h and 5 km/ h respectively. Find his average speed of during journey.

The average temperature of Delhi for four days in a particular month is 48 C. If the average temperature of second and third days 34 C and the ratio of the temperature of first and fourth days is 9 : 11 then find out the temperature of first and fourth days.

A man spends average of 1694. 70 per month for the first 7 month and 1810.50 per month for the next 5 months. His monthly salary if he saves 3084.60. during the whole year is ?

In the afternoon, a student read 100 pages at the rate of 60 pages/h. In the evening, when she was tired, she read 100 more pages at the rate of 40 pages/h . What was her average rate of reading in pages per hour ?

Mr. Bundda travels in this car and covers 1/4 part of his journey with 8 km/h, 3/5 part with 6 km/h and remaining 3/20 part with a speed of 10 km/h. Find out his average speed during the whole journey.

The average age of 4 member of a family is 25 yr. If head of the family is included in this group then average age increase by 20%. Find out the age of the head.

The mean weight of 150 students in class is 60 kg. The mean weight of boys is 70 kg and that of girls is 55 kg. What is the number of boys in the class ?

The average weight of 10 woman is incraesed by 1 kg if 2 woman of 42 kg and 38 kg are replaced by 2 men.Find the average weight of both the men?

The average monthly income of 4 earning members of a family is 7350. One member passes away and the average monthly income become 6500. What was the monthly income of the person, who is no more ?

Columbus started his journey from Lucknow to Kolkata, Which is 200 K.M., at the speed of 40 KM/hr, then he went to Banglore which is 300 Km, at the speed of 20 KM/hr . Further he went to Ahmedabad which is 500 Km, at the speed of 10 Km/hr. The average speed of Columbus is :

If the algebraic sum of deviations of 20 observation measured from 23 is 70, mean of these observation would be

The average of 50 number is 38. If the two numbers 45 and 55 are not considered, What will be the average of remaining numbers?

The average height of 40 student is 163 cm. On a particular day, three student A, B, C were absent and the average of the remaining 37 student was found to be 162 cm. if A, B have equal height and the height of C be 2 cm less than that of A, find the height of A ?

The average age of 30 students in a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 them is 14 years. The average age of the remaining students is ?

The average marks of 30 students are 45 but after checking there are two mistakes found. After adjustment if a student got 45 more markes and other student got 15 less marks, then What will be the adjusted average?

A shopkeeper earned Rs. 504 in 12 days. His average income for the first four days was Rs. 40 a day. His average income for the remaining days is?

The average weight of three men A, B and C is 84 kg. Another man D joins the group and the new average becomes 80 kg if another man E, whose weight is 3kg more than that of D, replace A, then the average weight of B , C, D and E becomes 79 kg. the weight of A is ?

The average age of a family of 6 member is 22 years . if the age of the youngest member be 7 years , what was the average age of the family at the birth of the youngest member was ?

The mean marks obtained by seven students group is 226. If the marks obtained by six of them are 340, 180, 260, 56, 275 and 307 respectively. Find the markes obtained by the seventh student.

Visitors to a 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 three days were in the ratio 2 : 5 : 13 respectively. The average charge per person for the entire three days is

The average weight of 3 men A, B and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E whose weight is 3 kg more than that of D, replaces A, then the average weight of B, C, D and E becomes 79 kg. Find the weight of A.

A librarian purchased 60 story books for his library. But he found that he could get 4 extra books by spending Rs. 336 more and then the overall average price per book would be reduced by Re 1. The previous average price of each book was

The arithmetical mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25%, a mean score of 31. The mean score of remaining 55% is

The average weight of 4 men, A, B, C and D is 67 kg. The 5th man E is included and the average weight decreses by 2 kg. A is replaced by F. The weight of F is 4 kg more then E . Average weight decreases because of the replacement of A and now the average weight is 64 kg. Find the weight of A.

5 yr ago, the average age of Rashmi and Surbhi was 20 yr, Now, the average age of Rashmi, Surbhi and Meeta is 30 yr. What will be the age of Meeta after 15 yr. ?

Average weight of 25 persons is increased by 1 kg when one man weighing 60 kg is replaced by a new person. Weight of new person is :

The average weight of 20 students in a class is increased by 0.75 kg when one of the students weighing 30 kg is replaced by a new student. Weight of the new student (in kg) is :

The average of 9 integers is found to be 11. But after the calculation, it was detected that, by mistake, the integer 23 was copied as 32, while calculating the average. After the due correction is made, the new average will be

The average of three numbers is 40. The first number is twice the second and the second one is thrice the third number. The difference between the largest and the smallest numbers is

The average of three numbers is 28, the first number is half of the second, the third number is twice the second, then the third number is

The average of 10 items was found to be 80 but while calculating, one of the items was counted as 60 instead of 50. Then the correct average would havebeen :

The mean value of 20 observations was found to be 75, but later on it was detected that 97 was misread as 79. Find the correct mean.

The mean of 20 items is 47. Later it is found that the item 62 is wrongly written as 26. Find the correct mean.

Among three numbers, second is twice the first and also thrice the third. If the average of the three numbers is 33, then the largest number is :

Of three numbers, the first is 4 times the second and 3 times the third. If the average of all the three numbers is 95, what is the third number ?

Of the three numbers, the first number is twice of the second and the second is thrice of the third number. If the average of these 3 numbers is 20, then the sum of the largest and smallest numbers is

The average of 8, 9, 12, 13, 15, 9 is

A has 8 pencils, B has 10 pencils and C has 15 pencils, then the average number of pencils with them are

The average age of 7 member of Patel's family is 25 year. The average age of the same family 3 year ago was

Out of three numbers, the first is twice the second and is half of the third. If the average of three number is 56, the three number in order are ?

The mean of 100 observations was calculated as 40. It was found later on that one of the observations was misread as 83 instead of 53. The correct mean is :

Find the average of all prime numbers between 60 and 90.

The Average of six observation is 12. The average decreases by 1 when a new observation is included. What is the seventh observation?

Average to ten number is 7 . If every number is multiplied by 12, What will be the average of new numbers ?

The average weight of 60 students in a class was calculated to be 40 kg. Later it was found out that the weight of one of the students was calculated as 36 kg, whereas his actual weight was 33 kg. What is the actual average weight of the students in the class ?

The average height of 40 students is 163 cm. On a particular day, three students namely A, B, C were absent and the average of the remaining 37 students was found to be 162 cm. If A and B have equal height and the height of C be 2 cm less than that of A, find the height of A.

The average of 6 observations is 12. A new seventh observation is included and the new average is decreased by 1. Find the seventh observation.