3977 + Mcqs in Applied Mathematics Page 25 McqOptions

1201.	Q: The average value found for 20 observations was 75. It was noticed later that 97 was read as 79. So, what was the correct average value?
A.	75.7
B.	75.8
C.	75.9
D.	75.6
Answer» D. 75.6

Discussion

1202.	Q: The average score of 42 students in a test is 69. The ratio of the number of boys to that of girls is 10 : 11. The average score of the boys is 20% more than that of the girls. The average score of the boys is:
A.	82.8
B.	73.5
C.	75.2
D.	75.6
Answer» E.

Discussion

1203.	Q: The average temperature for Monday, Tuesday and Wednesday was 40 degree Celsius. The average for Tuesday, Wednesday and Thursday was 41 degree Celsius, and that for Thursday being 45 degree Celsius. What was the temperature on Monday?
A.	42 degree
B.	50 degree
C.	45 degree
D.	40 degree
Answer» B. 50 degree

Discussion

1204.	Q: The average speed of a train is 20% less on the return journey than on the onward journey. The train halts for an hour at the destination station before starting on the return journey. If the total time taken for the to and from journey is 46 hrs, covering a distance of 2000 km, the speed of the train on the return journey is:
A.	50 km/h
B.	40 km/h
C.	60 km/h
D.	65km/h
E.	None of these
Answer» C. 60 km/h

Discussion

1205.	Q: The average speed of a train is 3 times the average speed of car. The car covers a distance of 520 km in 8 hours. How much distance will the train cover in 13 hours?
A.	2553 km
B.	2585 km
C.	2355 km
D.	2535 km
E.	None of these
Answer» E. None of these

Discussion

1206.	Q: The average score obtained by Sandeep in 12 Tests is 25. Rumella has an average of 23 marks so far, but has competed in only 8 Tests. What average will Rumela have to earn in the remaining 4 Tests to be equal to Raghuveer's average?
A.	28
B.	29
C.	26
D.	27
Answer» C. 26

Discussion

1207.	Q: The average score in second innings contributed by the four players is:
A.	40
B.	50
C.	30
D.	60
Answer» B. 50

Discussion

1208.	Q: The average sale of Bajaj from 2001 to 2005 is what percentage of total sales of Suzuki from 2001-2005?
A.	0.14
B.	0.1323
C.	0.1222
D.	0.1523
E.	None of these
Answer» C. 0.1222

Discussion

1209.	Q: The average salary, per head, of all the workers of an institution, is Rs. 60. The average salary of 12 officers is Rs. 400; the average salary, per head, of the rest is Rs. 56. The total number of workers in the in situation is
A.	1032
B.	1020
C.	1030
D.	1035
Answer» B. 1020

Discussion

1210.	Q: The average salary of all the staff in an office of a corporate house is Rs 5,000. The average salary of the officers is Rs 14,000 and that of the rest is Rs 4,000. If the total number of staff is 500, the number of officers is
A.	10
B.	15
C.	25
D.	50
Answer» E.

Discussion

1211.	Q: The average salary of all employees working in an office is Rs.8000. The average salary of 7 technicians is Rs 12000 and the average salary of rest of the workers is Rs.6000. The total no. of workers working in that office is-
A.	20
B.	21
C.	23
D.	22
Answer» C. 23

Discussion

1212.	Q: The average runs of two innings of the player who scored highest in average are :
A.	70
B.	80
C.	85
D.	75
Answer» B. 80

Discussion

1213.	Q: The average runs in two innings of the player who has scored minimum in the second innings are :
A.	30
B.	60
C.	50
D.	40
Answer» E.

Discussion

1214.	Q: The average price of three furniture items is Rs 15,000. If the ratio of their prices is 3: 5: 7, then the cheapest furniture price is-
A.	Rs. 9000
B.	Rs.15,000
C.	Rs. 18,000
D.	Rs. 21,000
Answer» B. Rs.15,000

Discussion

1215.	Q: The average price of 3 precious diamond-studded platinum thrones Rs. 106000000. If their prices are in the ratio 4 : 7 : 9. Find the price of the most expensive diamond?
A.	143100000
B.	178500000
C.	125100000
D.	192100000
Answer» B. 178500000

Discussion

1216.	Q: The average per day income of A, B and C is Rs. 450. If the average per day income of A and B be Rs. 400 and that of B and C be Rs. 430, the per day income of B is:
A.	Rs . 300
B.	Rs . 310
C.	Rs. 415
D.	Rs . 425
Answer» C. Rs. 415

Discussion

1217.	Q: The average of total books sold by stores B and C together is how much more than total unsold books of store A.
A.	1055
B.	1175
C.	1125
D.	1075
E.	1225
Answer» D. 1075

Discussion

1218.	Q: The average of x numbers is 48. If of the numbers are increased by 51 each and remaining are decreased by 71 each, then what is the new average?
A.	51
B.	49
C.	50
D.	46
Answer» B. 49

Discussion

1219.	Q: 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.	36
B.	60
C.	30
D.	46
Answer» C. 30

Discussion

1220.	Q: The average of three numbers is 40. First of them is two times of the seconds and the second is three time of the third. So, what is the difference between the largest and smallest number?
A.	30
B.	36
C.	46
D.	60
Answer» E.

Discussion

1221.	Q: The average of the three numbers is 60. The first number is one-fourth of the sum of the remaining two numbers, the first number is-
A.	30
B.	36
C.	42
D.	45
Answer» C. 42

Discussion

1222.	Q: The average of three consecutive odd numbers is 12 more than one third of the first of these numbers. What is the last of the three numbers?
A.	19
B.	16
C.	15
D.	17
Answer» B. 16

Discussion

1223.	Q: The average of three numbers is 154. The first number is double of the second number and the second is double of the third one. The first number is
A.	264
B.	132
C.	88
D.	66
Answer» B. 132

Discussion

1224.	Q: The average of the squares of first ten natural numbers is
A.	37.5
B.	38.5
C.	35.5
D.	36
Answer» C. 35.5

Discussion

1225.	Q: The average of the number of students participating in exhibition is:
A.	48.75
B.	52.5
C.	45
D.	50
Answer» C. 45

Discussion

1226.	Q: The average of the number of students participating in cultural events is:
A.	48.75
B.	52.5
C.	45
D.	50
Answer» D. 50

Discussion

1227.	Q: The average of the marks obtained in an examination by 8 students was 51 and by 9 other students was 68. The average marks of all 17 students was:
A.	59
B.	59.5
C.	60
D.	60.5
Answer» D. 60.5

Discussion

1228.	Q: The average of ten numbers is 72. The average of the first four numbers is 69 and that of the next three number is 74. The 8th number is 6 more than the 9th number and 12 more than the 10th number. What is the average of the 8th and 9th numbers?
A.	76
B.	76.5
C.	77
D.	77.5
Answer» D. 77.5

Discussion

1229.	Q: The average of some natural numbers is 15. If 30 is added to first number and 5 is subtracted from the last number, the average become 17.5. then the numbers of natural numbers is :
A.	10
B.	20
C.	30
D.	15
Answer» B. 20

Discussion

1230.	Q: The average of seven numbers is 18. If one of the number is 17 and if it is replaced by 31, then the average becomes:
A.	20
B.	21
C.	21.5
D.	19.5
Answer» B. 21

Discussion

1231.	Q: The average of nine numbers is 50. The average of first five numbers is 54 and that of the last three numbers is 52, then the sixth number is -
A.	25
B.	26
C.	24
D.	28
Answer» D. 28

Discussion

1232.	Q: The average of nine numbers is 30. The average of first five numbers is 25 and that of for last three numbers is 35, then what will be sixth number?
A.	20
B.	30
C.	40
D.	50
Answer» D. 50

Discussion

1233.	Q: The average of nine numbers in M and the average of three of these is P. If the average of remaining numbers is N, then
A.	2M = N + P
B.	3M = 2P +N
C.	M =N + P
D.	3M = 2N +P
Answer» E.

Discussion

1234.	Q: The average of marks scored by the students of a class is 68. The average of marks of the girls in the class is 80 and that of the boys is 60. What is the percentage of boys in the class?
A.	0.65
B.	0.7
C.	0.4
D.	0.6
Answer» E.

Discussion

1235.	Q: The average of nine consecutive odd numbers is 53. The least odd number is:
A.	22
B.	27
C.	35
D.	45
Answer» E.

Discussion

1236.	Q: The average of marks obtained by 14 students was 71, but it was found later that one of the student’s mark was accounted as 42 instead of 56 and for the other student; it was accounted as 74 instead of 32. So, the find the actual average?
A.	67
B.	68
C.	69
D.	71
Answer» D. 71

Discussion

1237.	Q: The average of marks obtained by 120 candidates in an examination is 35. The average of marks obtained by passed candidates is 39 and that of for failed candidates is 15. What is the no. of passed candidates?
A.	100
B.	120
C.	150
D.	140
Answer» B. 120

Discussion

1238.	Q: The average of goods produced by a company every month is 4000 of average of last 3 month’s production. How many average goods should they produce every month in next 9 months so their monthly average production during a year will be 4375?
A.	4500
B.	4600
C.	4680
D.	4710
Answer» B. 4600

Discussion

1239.	Q: The average of four consecutive even numbers is 15. The 2nd highest number is:
A.	14
B.	16
C.	12
D.	18
Answer» C. 12

Discussion

1240.	Q: The average of five numbers is 49. The average of the first and the second numbers is 48 and the average of fourth and fifth numbers is 28. What is the third number?
A.	92
B.	91
C.	95
D.	Cannot determined
E.	None of these
Answer» F.

Discussion

1241.	Q: The average of five numbers is 27. If one number is excluded. The average becomes 25. The excluded number is
A.	25
B.	27
C.	30
D.	35
Answer» E.

Discussion

1242.	Q: The average of five consecutive number is 26, then the multiple of the first and the last number is
A.	722
B.	672
C.	648
D.	576
Answer» C. 648

Discussion

1243.	Q: The average of first three numbers is three times of the fourth number. If the average of all four numbers is 5, then find the fourth number.
A.	4.5
B.	5
C.	2
D.	4
Answer» E.

Discussion

1244.	Q: The average of eleven numbers is 68. The average of the first numbers is 78 and that of the next four number is 63. The 9th number is two time the 11th number and the 10th number is 4 less than the 11th number. What is the average of the 9th and 11th numbers?
A.	70.1
B.	70.5
C.	72.6
D.	72.2
Answer» C. 72.6

Discussion

1245.	Q: The average of eight successive numbers is 6.5. The average of the smallest and the greatest numbers among them will be:
A.	4
B.	6.5
C.	7.5
D.	9
Answer» C. 7.5

Discussion

1246.	Q: The average of all prime numbers 21 to 50 is (round off to one decimal number)
A.	35.9
B.	34.8
C.	33.7
D.	32.9
Answer» B. 34.8

Discussion

1247.	Q: The average of 8 readings is 24.3, out of which the average of the first two is 18.5 and that of next three is 21.2. If the sixth reading is 3 less than seventh and 8 less than eight, what is the sixth reading?
A.	27.6
B.	29.4
C.	24.8
D.	26.5
Answer» B. 29.4

Discussion

1248.	Q: The average of a collection of 20 measurements was calculated to be 56 cm . But later it was found that a mistake had occurred in one of the measurements which was recorded as 64 cm, but should have been 61 cm. The correct average must be:
A.	55.85 cm
B.	56.15 cm
C.	53 cm
D.	54.5 cm
Answer» B. 56.15 cm

Discussion

1249.	Q: The average of 8 numbers is 38.4. Out of these numbers, the average of 7 number is 39.2. The 8th numbers
A.	33.7
B.	31.5
C.	35.2
D.	32.8
E.	34.5
Answer» E. 34.5

Discussion

1250.	Q: The average of 8 readings is 24.3, out of which the average of first two is 18.5 and that of next three is 21.2. If the sixth reading is 3 less than seventh and 8 less than eight, what is the sixth reading?
A.	24.8
B.	26.5
C.	27.6
D.	29.4
Answer» D. 29.4

Discussion

Explore topic-wise MCQs in Mathematics.

Q: The average value found for 20 observations was 75. It was noticed later that 97 was read as 79. So, what was the correct average value?

Q: The average score of 42 students in a test is 69. The ratio of the number of boys to that of girls is 10 : 11. The average score of the boys is 20% more than that of the girls. The average score of the boys is:

Q: The average temperature for Monday, Tuesday and Wednesday was 40 degree Celsius. The average for Tuesday, Wednesday and Thursday was 41 degree Celsius, and that for Thursday being 45 degree Celsius. What was the temperature on Monday?

Q: The average speed of a train is 3 times the average speed of car. The car covers a distance of 520 km in 8 hours. How much distance will the train cover in 13 hours?

Q: The average score obtained by Sandeep in 12 Tests is 25. Rumella has an average of 23 marks so far, but has competed in only 8 Tests. What average will Rumela have to earn in the remaining 4 Tests to be equal to Raghuveer's average?

Q: The average score in second innings contributed by the four players is:

Q: The average sale of Bajaj from 2001 to 2005 is what percentage of total sales of Suzuki from 2001-2005?

Q: The average salary, per head, of all the workers of an institution, is Rs. 60. The average salary of 12 officers is Rs. 400; the average salary, per head, of the rest is Rs. 56. The total number of workers in the in situation is

Q: The average salary of all the staff in an office of a corporate house is Rs 5,000. The average salary of the officers is Rs 14,000 and that of the rest is Rs 4,000. If the total number of staff is 500, the number of officers is

Q: The average salary of all employees working in an office is Rs.8000. The average salary of 7 technicians is Rs 12000 and the average salary of rest of the workers is Rs.6000. The total no. of workers working in that office is-

Q: The average runs of two innings of the player who scored highest in average are :

Q: The average runs in two innings of the player who has scored minimum in the second innings are :

Q: The average price of three furniture items is Rs 15,000. If the ratio of their prices is 3: 5: 7, then the cheapest furniture price is-

Q: The average price of 3 precious diamond-studded platinum thrones Rs. 106000000. If their prices are in the ratio 4 : 7 : 9. Find the price of the most expensive diamond?

Q: The average per day income of A, B and C is Rs. 450. If the average per day income of A and B be Rs. 400 and that of B and C be Rs. 430, the per day income of B is:

Q: The average of total books sold by stores B and C together is how much more than total unsold books of store A.

Q: The average of x numbers is 48. If of the numbers are increased by 51 each and remaining are decreased by 71 each, then what is the new average?

Q: 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

Q: The average of three numbers is 40. First of them is two times of the seconds and the second is three time of the third. So, what is the difference between the largest and smallest number?

Q: The average of the three numbers is 60. The first number is one-fourth of the sum of the remaining two numbers, the first number is-

Q: The average of three consecutive odd numbers is 12 more than one third of the first of these numbers. What is the last of the three numbers?

Q: The average of three numbers is 154. The first number is double of the second number and the second is double of the third one. The first number is

Q: The average of the squares of first ten natural numbers is

Q: The average of the number of students participating in exhibition is:

Q: The average of the number of students participating in cultural events is:

Q: The average of the marks obtained in an examination by 8 students was 51 and by 9 other students was 68. The average marks of all 17 students was:

Q: The average of ten numbers is 72. The average of the first four numbers is 69 and that of the next three number is 74. The 8th number is 6 more than the 9th number and 12 more than the 10th number. What is the average of the 8th and 9th numbers?

Q: The average of some natural numbers is 15. If 30 is added to first number and 5 is subtracted from the last number, the average become 17.5. then the numbers of natural numbers is :

Q: The average of seven numbers is 18. If one of the number is 17 and if it is replaced by 31, then the average becomes:

Q: The average of nine numbers is 50. The average of first five numbers is 54 and that of the last three numbers is 52, then the sixth number is -

Q: The average of nine numbers is 30. The average of first five numbers is 25 and that of for last three numbers is 35, then what will be sixth number?

Q: The average of nine numbers in M and the average of three of these is P. If the average of remaining numbers is N, then

Q: The average of marks scored by the students of a class is 68. The average of marks of the girls in the class is 80 and that of the boys is 60. What is the percentage of boys in the class?

Q: The average of nine consecutive odd numbers is 53. The least odd number is:

Q: The average of marks obtained by 14 students was 71, but it was found later that one of the student’s mark was accounted as 42 instead of 56 and for the other student; it was accounted as 74 instead of 32. So, the find the actual average?

Q: The average of marks obtained by 120 candidates in an examination is 35. The average of marks obtained by passed candidates is 39 and that of for failed candidates is 15. What is the no. of passed candidates?

Q: The average of goods produced by a company every month is 4000 of average of last 3 month’s production. How many average goods should they produce every month in next 9 months so their monthly average production during a year will be 4375?

Q: The average of four consecutive even numbers is 15. The 2nd highest number is:

Q: The average of five numbers is 49. The average of the first and the second numbers is 48 and the average of fourth and fifth numbers is 28. What is the third number?

Q: The average of five numbers is 27. If one number is excluded. The average becomes 25. The excluded number is

Q: The average of five consecutive number is 26, then the multiple of the first and the last number is

Q: The average of first three numbers is three times of the fourth number. If the average of all four numbers is 5, then find the fourth number.

Q: The average of eleven numbers is 68. The average of the first numbers is 78 and that of the next four number is 63. The 9th number is two time the 11th number and the 10th number is 4 less than the 11th number. What is the average of the 9th and 11th numbers?

Q: The average of eight successive numbers is 6.5. The average of the smallest and the greatest numbers among them will be:

Q: The average of all prime numbers 21 to 50 is (round off to one decimal number)

Q: The average of 8 readings is 24.3, out of which the average of the first two is 18.5 and that of next three is 21.2. If the sixth reading is 3 less than seventh and 8 less than eight, what is the sixth reading?

Q: The average of a collection of 20 measurements was calculated to be 56 cm . But later it was found that a mistake had occurred in one of the measurements which was recorded as 64 cm, but should have been 61 cm. The correct average must be:

Q: The average of 8 numbers is 38.4. Out of these numbers, the average of 7 number is 39.2. The 8th numbers

Q: The average of 8 readings is 24.3, out of which the average of first two is 18.5 and that of next three is 21.2. If the sixth reading is 3 less than seventh and 8 less than eight, what is the sixth reading?