450 + Mcqs in Average Page 9 McqOptions

401.	Students of three different classes appeared in common examination. Pass average of 10 students of first class was 70%, pass average of 15 students of second class was 60% and pass average of 25 students of third class was 80% then what will be the pass average of all students of three classes?$?
A.	74%
B.	75%
C.	69%
D.	72%
Answer» E.

Discussion

402.	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.	33.25
B.	33.5
C.	34.25
D.	35
Answer» D. 35

Discussion

403.	The average temperature on Wednesday, Thursday and Friday was 20o. The average temperature on Thursday, Friday and Saturday was 24o. If the temperature on Saturday was 27o, what was the temperature on Wednesday?$?
A.	24o
B.	21o
C.	27o
D.	30o
Answer» E.

Discussion

404.	Average cost of 5 apples and 4 mangoes is Rs. 36. The average cost of 7 apples and 8 mangoes is Rs. 48. Find the total cost of 24 apples and 24 mangoes.$?
A.	1044
B.	2088
C.	720
D.	3240
Answer» C. 720

Discussion

405.	David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, mathematics, physics, chemistry and biology. What are his average marks?$?
A.	65
B.	69
C.	75
D.	None of these
Answer» D. None of these

Discussion

406.	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.	Rs. 5, Rs.7.50
B.	Rs. 8, Rs. 12
C.	Rs. 16, Rs. 10
D.	Rs. 12, Rs. 14
Answer» D. Rs. 12, Rs. 14

Discussion

407.	Distance between two stations A and B is 778km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of train during the whole journey.?
A.	60 km/hr
B.	30.5 km/hr
C.	57 km/hr
D.	67.2 km/hr
Answer» E.

Discussion

408.	In 2011, the arithmetic mean of the annual incomes of Ramesh and Suresh was Rs. 3800. The arithmetic mean of the annual incomes of Suresh and Pratap was Rs. 4800, and the arithmetic mean of the annual incomes of Pratap and Ramesh was Rs. 5800. What is the arithmetic mean of the incomes of the three?
A.	Rs. 4000
B.	Rs. 4200
C.	Rs. 4400
D.	Rs. 4800
Answer» E.

Discussion

409.	The average income of A, B and C is Rs. 12,000 per month and average income of B, C and D is Rs. 15,000 per month. If the average salary of D be twice that of A, then the average salary of B and C is in Rs. :
A.	8,000
B.	18,000
C.	13,500
D.	9,000
Answer» D. 9,000

Discussion

410.	The average marks of four subjects is 120. If 33 was misread as 13 during the calculation, what will be the correct average?
A.	122
B.	120
C.	125
D.	121
Answer» D. 121

Discussion

411.	The average of 50 numbers is 30. If two numbers, 35 and 40 are discarded, then the average of the remaining numbers is nearly:
A.	28.32
B.	29.68
C.	28.78
D.	29.27
Answer» C. 28.78

Discussion

412.	Which one of the following numbers can be removed from the set S = {0, 2, 4, 5, 9} without changing the average of set S?
A.	0
B.	2
C.	4
D.	5
Answer» D. 5

Discussion

413.	Nine persons went to a hotel for taking their meals. Eight of them spent Rs.12 each on their meals and the ninth spent Rs.8 more than the average expenditure of all the nine. What was the total money spent by them.
A.	Rs. 115
B.	Rs. 116
C.	Rs. 117
D.	Rs. 118
Answer» D. Rs. 118

Discussion

414.	The average of five different positive numbers is 25. x is the decrease in the average when the smallest number among them is replaced by 0. What can be said about x?
A.	x is less than 5
B.	x is greater than 5
C.	x is equal to 5
D.	Cannot be determined
Answer» B. x is greater than 5

Discussion

415.	40% of the employees in a factory are workers. All the remaining employees are executives. The annual income of each worker is Rs. 390. The annual income of each executive is Rs. 420. What is the average annual income of all the employees in the factory together?
A.	390
B.	405
C.	408
D.	415
Answer» D. 415

Discussion

416.	A has 50 coins of 10 paise denominations. While B has 10 coins of 50 paise denominations. C has 20 coins of 25 paise denominations while D has 25 coins of 20 paise denominations. The average number of paise per person is :
A.	450 paise
B.	500 paise
C.	550 paise
D.	650 paise
Answer» C. 550 paise

Discussion

417.	The average monthly salary of 660 workers in a factory is Rs. 380. The average monthly salary of officers is Rs. 2100 and the average monthly salary of the other workers is Rs. 340. Find the number of other workers.
A.	645
B.	650
C.	640
D.	642
Answer» B. 650

Discussion

418.	Distance between two stations A and B is 778km. A train covers the journey from A to B at 84km per hour and returns back to A with a uniform speed of 56km per hour. Find the average speed of train during the whole journey.
A.	60 km/hr
B.	30.5 km/hr
C.	57 km/hr
D.	67.2 km/hr
Answer» E.

Discussion

419.	The average of runs of a cricket player of 10 innings was 32. How many runes must be made in his next innings so as to increase his average of runs by 4?
A.	72
B.	74
C.	70
D.	76
Answer» E.

Discussion

420.	There are two sections A and B of a class, consisting of 36 and 44 students' respectively. If the average weight of section A is 40kg and that of section B is 35kg, find the average weight of the whole class.
A.	30 kg
B.	35 kg
C.	42.5 kg
D.	37.25 kg
Answer» E.

Discussion

421.	There were 35 students in a hostel. Due to the admission of 7 new students the expenses of the mess were increased by Rs.42 per day while the average expenditure per head diminished by Re 1. What was the original expenditure of the mess?
A.	Rs. 450
B.	Rs. 320
C.	Rs. 550
D.	Rs. 420
Answer» E.

Discussion

422.	Find the average of first 97 natural numbers.
A.	47
B.	37
C.	48
D.	49
E.	49.5
Answer» E. 49.5

Discussion

423.	The speed of the train going from Nagpur to Allahabad is 100 km/h while when coming back from Allahabad to Nagpur, its speed is 150 km/h. find the average speed during whole journey.
A.	125 km/hr
B.	75 km/hr
C.	135 km/hr
D.	120 km/hr
Answer» E.

Discussion

424.	The average salary of all the workers in a workshop is Rs. 8,000. The average salary of 7 technicians is Rs. 12,000 and the average salary of the rest is Rs. 6,000. The total number of workers in the workshop is:
A.	20
B.	21
C.	22
D.	23
Answer» C. 22

Discussion

425.	The average of the first five multiples of 9 is:
A.	20
B.	27
C.	28
D.	30
Answer» C. 28

Discussion

426.	3 years ago the average of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is:
A.	1 years
B.	3/2 years
C.	2 years
D.	3 years
Answer» D. 3 years

Discussion

427.	The average temperature for Wednesday, Thursday and Friday was 40oC. The average for Thursday, Friday and Saturday was 41oC. If temperature on Saturday was 42oC, what was the temperature on Wednesday?
A.	39oC
B.	44oC
C.	38oC
D.	41oC
Answer» B. 44oC

Discussion

428.	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.	Rs. 5, Rs.7.50
B.	Rs. 8, Rs. 12
C.	Rs. 10, Rs. 16
D.	Rs. 12, Rs. 14
Answer» D. Rs. 12, Rs. 14

Discussion

429.	Ajit has a certain average for 9 innings. In the tenth innings, he scores 100 runs thereby increasing his average by 8 runs. His new average is:
A.	20
B.	21
C.	28
D.	32
Answer» D. 32

Discussion

430.	There are three categories of jobs A, B and C. The average salary of the student who got the job of A and B categories is 26 lakh per annum. The average salary of the students who got the job of B and C category is 44 lakh per annum and the average salary of those students who got the job of A and C categories is 34 lakh per annum. The most appropriate (or closet) range of average salary of all the three categories (if it is known that each student gets only one category of jobs i.e. , A, B and C):
A.	lies between 30 and 44
B.	lies between 28 and 34
C.	lies between 34 and 44
D.	lies between 27 and 44
E.	None of these
Answer» B. lies between 28 and 34

Discussion

431.	A train covers the first 16 km at a speed of 20 km per hour another 20 km at 40 km per hour and the last 10 km at 15 km per hour. Find the average speed for the entire journey.
A.	24 km
B.	26 km
C.	21 km
D.	23(23/59) km
Answer» E.

Discussion

432.	The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is:
A.	50
B.	60
C.	70
D.	65
Answer» C. 70

Discussion

433.	The average of 25 results is 18. The average of first 12 of those is 14 and the average of last 12 is 17. What is the 13th result?
A.	74
B.	75
C.	69
D.	78
Answer» E.

Discussion

434.	The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average of C and D is 42 years. Age of E is :
A.	48
B.	46
C.	42
D.	45
Answer» C. 42

Discussion

435.	In a boat there are 8 men whose average weight is increased by 1 kg when 1 man of 60 kg is replaced by a new man. What is weight of new comer?
A.	70
B.	66
C.	68
D.	69
Answer» D. 69

Discussion

436.	A man started his journey from Lucknow to Kolkata, which is 200 km, at the speed of 40 kmph then he went to Banglore which is 300 km, at the speed of 20 kmph. Further he went to Ahmedabad which is 500 km, at the speed of 10 kmph. The average speed of the man is :
A.	14(2/7) kmph
B.	14(5/7) Kmph
C.	15.6 kmph
D.	16.1 kmph
Answer» B. 14(5/7) Kmph

Discussion

437.	The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?
A.	3
B.	4
C.	5
D.	6
E.	7
Answer» C. 5

Discussion

438.	A man has 'n' magical eggs whose average weight is 'k' gm. Each of the 'n' eggs produces 'n' eggs next day such that the average weight of 'n' eggs produced is same as that of the parental egg for each 'n' groups individually i.e. each egg produces 'n' eggs of next generation and average weight of all the 'n' eggs of next generation is same as the weight of the mother egg. This process is continued without any change in pattern. What is the total weight of all the eggs of rth generation, where the initial number of eggs with man are considered as the eggs of first generation.
A.	rnk
B.	rnk
C.	nkr
D.	nrk
E.	None of these
Answer» E. None of these

Discussion

439.	The average age of three boys is 15 years. If their ages are in ratio 3:5:7, the age of the youngest boy is
A.	21 years
B.	18 years
C.	15 years
D.	9 years
E.	12 years
Answer» E. 12 years

Discussion

440.	Ajay working in a Cellular company as a salesman. His monthly salary is Rs. 200. But he gets bonus as per given rule. If he sells simcards of Rs. X then his bonus will be [(x /100)2 +10]. In the first quarter of the year his average sale was Rs. 3000 per month. In the next 5 five month his average sale was Rs. 5000 per month and for next four month his average sale was Rs. 8000 per month. What is the average earning per month for the whole year?
A.	Rs. 3350
B.	Rs. 3610
C.	Rs. 3750
D.	Rs. 3560
E.	None of these
Answer» C. Rs. 3750

Discussion

441.	There are five boxes in cargo hold. The weight of the first box is 200 kg and the weight of the second box is 20% higher than the weight of the third box, whose weight is 25% higher than the first box's weight. The fourth box at 350 kg is 30% lighter than the fifth box. Find the difference in the average weight of the four heaviest boxes and the four lightest boxes.
A.	51.5 kg
B.	75 kg
C.	37.5 kg
D.	112.5 kg
E.	None of these
Answer» C. 37.5 kg

Discussion

442.	A cricketer scored some runs in his 21st innings, as a result, his average runs increased by 3. If the present average run is 40, how many runs he scored in the final innings?
A.	103
B.	100
C.	85
D.	82
Answer» C. 85

Discussion

443.	A batsman makes a score of 270 runs in the 87th inning and thus increase his average by a certain number of runs that is a whole number. Find the possible values of the new average.
A.	98
B.	184
C.	12
D.	All of these
E.	None of these
Answer» E. None of these

Discussion

444.	The average weight of 47 balls is 4 g. if the weight of the bag (in which the balls are kept) be included; the calculated average weight per ball increases by 0.3 g. What is the weight of the bag?
A.	14.8g
B.	14.4g
C.	15g
D.	18.6g
E.	None of these
Answer» F.

Discussion

445.	One-fourth of certain journey is covered at the rate of 25 km/h, one-third at the rate of 30 km/h and the rest at 50 km/h. Find the average speed for the whole journey.
A.	600/53km/h
B.	1200/53 km/h
C.	1800/53 km/h
D.	1600/53 km/h
E.	None of these
Answer» D. 1600/53 km/h

Discussion

446.	19 people went to a hotel for combine dinner party 13 of them spent Rs. 79 each on their dinner and rest spent 4 more than the average expenditure of all the 19. What was the total money spent by them.
A.	1628.4
B.	1534
C.	1492
D.	1496
E.	None of these
Answer» F.

Discussion

447.	Find the average increase rate, if increase in the population in the first year is 30% and that in the second year is 40%.
A.	41
B.	56
C.	40
D.	38
E.	39
Answer» B. 56

Discussion

448.	A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the entire school.
A.	56%
B.	76%
C.	34%
D.	66%
E.	None of these
Answer» E. None of these

Discussion

449.	Average of 80 numbers are 42. When 5 more numbers are included, the average of 85 numbers become 45. Find the average of 5 numbers.
A.	82
B.	89
C.	93
D.	98
Answer» D. 98

Discussion

450.	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?
A.	Rs. 4991
B.	Rs. 5991
C.	Rs. 6001
D.	Rs. 6991
E.	None of these
Answer» B. Rs. 5991

Discussion

Explore topic-wise MCQs in Arithmetic Ability.

Students of three different classes appeared in common examination. Pass average of 10 students of first class was 70%, pass average of 15 students of second class was 60% and pass average of 25 students of third class was 80% then what will be the pass average of all students of three classes?$?

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.$?

The average temperature on Wednesday, Thursday and Friday was 20o. The average temperature on Thursday, Friday and Saturday was 24o. If the temperature on Saturday was 27o, what was the temperature on Wednesday?$?

Average cost of 5 apples and 4 mangoes is Rs. 36. The average cost of 7 apples and 8 mangoes is Rs. 48. Find the total cost of 24 apples and 24 mangoes.$?

David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, mathematics, physics, chemistry and biology. What are his average marks?$?

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?$?

Distance between two stations A and B is 778km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of train during the whole journey.?

The average income of A, B and C is Rs. 12,000 per month and average income of B, C and D is Rs. 15,000 per month. If the average salary of D be twice that of A, then the average salary of B and C is in Rs. :

The average marks of four subjects is 120. If 33 was misread as 13 during the calculation, what will be the correct average?

The average of 50 numbers is 30. If two numbers, 35 and 40 are discarded, then the average of the remaining numbers is nearly:

Which one of the following numbers can be removed from the set S = {0, 2, 4, 5, 9} without changing the average of set S?

Nine persons went to a hotel for taking their meals. Eight of them spent Rs.12 each on their meals and the ninth spent Rs.8 more than the average expenditure of all the nine. What was the total money spent by them.

The average of five different positive numbers is 25. x is the decrease in the average when the smallest number among them is replaced by 0. What can be said about x?

40% of the employees in a factory are workers. All the remaining employees are executives. The annual income of each worker is Rs. 390. The annual income of each executive is Rs. 420. What is the average annual income of all the employees in the factory together?

A has 50 coins of 10 paise denominations. While B has 10 coins of 50 paise denominations. C has 20 coins of 25 paise denominations while D has 25 coins of 20 paise denominations. The average number of paise per person is :

The average monthly salary of 660 workers in a factory is Rs. 380. The average monthly salary of officers is Rs. 2100 and the average monthly salary of the other workers is Rs. 340. Find the number of other workers.

Distance between two stations A and B is 778km. A train covers the journey from A to B at 84km per hour and returns back to A with a uniform speed of 56km per hour. Find the average speed of train during the whole journey.

The average of runs of a cricket player of 10 innings was 32. How many runes must be made in his next innings so as to increase his average of runs by 4?

There are two sections A and B of a class, consisting of 36 and 44 students' respectively. If the average weight of section A is 40kg and that of section B is 35kg, find the average weight of the whole class.

There were 35 students in a hostel. Due to the admission of 7 new students the expenses of the mess were increased by Rs.42 per day while the average expenditure per head diminished by Re 1. What was the original expenditure of the mess?

Find the average of first 97 natural numbers.

The speed of the train going from Nagpur to Allahabad is 100 km/h while when coming back from Allahabad to Nagpur, its speed is 150 km/h. find the average speed during whole journey.

The average salary of all the workers in a workshop is Rs. 8,000. The average salary of 7 technicians is Rs. 12,000 and the average salary of the rest is Rs. 6,000. The total number of workers in the workshop is:

The average of the first five multiples of 9 is:

3 years ago the average of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is:

The average temperature for Wednesday, Thursday and Friday was 40oC. The average for Thursday, Friday and Saturday was 41oC. If temperature on Saturday was 42oC, what was the temperature on Wednesday?

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?

Ajit has a certain average for 9 innings. In the tenth innings, he scores 100 runs thereby increasing his average by 8 runs. His new average is:

A train covers the first 16 km at a speed of 20 km per hour another 20 km at 40 km per hour and the last 10 km at 15 km per hour. Find the average speed for the entire journey.

The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is:

The average of 25 results is 18. The average of first 12 of those is 14 and the average of last 12 is 17. What is the 13th result?

The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average of C and D is 42 years. Age of E is :

In a boat there are 8 men whose average weight is increased by 1 kg when 1 man of 60 kg is replaced by a new man. What is weight of new comer?

A man started his journey from Lucknow to Kolkata, which is 200 km, at the speed of 40 kmph then he went to Banglore which is 300 km, at the speed of 20 kmph. Further he went to Ahmedabad which is 500 km, at the speed of 10 kmph. The average speed of the man is :

The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?

The average age of three boys is 15 years. If their ages are in ratio 3:5:7, the age of the youngest boy is

A cricketer scored some runs in his 21st innings, as a result, his average runs increased by 3. If the present average run is 40, how many runs he scored in the final innings?

A batsman makes a score of 270 runs in the 87th inning and thus increase his average by a certain number of runs that is a whole number. Find the possible values of the new average.

The average weight of 47 balls is 4 g. if the weight of the bag (in which the balls are kept) be included; the calculated average weight per ball increases by 0.3 g. What is the weight of the bag?

One-fourth of certain journey is covered at the rate of 25 km/h, one-third at the rate of 30 km/h and the rest at 50 km/h. Find the average speed for the whole journey.

19 people went to a hotel for combine dinner party 13 of them spent Rs. 79 each on their dinner and rest spent 4 more than the average expenditure of all the 19. What was the total money spent by them.

Find the average increase rate, if increase in the population in the first year is 30% and that in the second year is 40%.

A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the entire school.

Average of 80 numbers are 42. When 5 more numbers are included, the average of 85 numbers become 45. Find the average of 5 numbers.

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?