450 + Mcqs in Average Page 8 McqOptions

351.	A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings ?
A.	34
B.	36
C.	35
D.	37
Answer» E.

Discussion

352.	A batsman makes 100 runs in the 25thÂ match of his career. His average runs per match increases by 1.4. Find his average before the 25thÂ match.
A.	65
B.	55
C.	75
D.	45
Answer» B. 55

Discussion

353.	a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?
A.	1.5
B.	3
C.	3.5
D.	4.5
Answer» D. 4.5

Discussion

354.	A batsman has a certain average of runs for 12 innings. In the 13th inning he scores 96 runs thereby increasing his average by 5 runs. What will be hisÂ average after 13th inning?
A.	28
B.	32
C.	36
D.	42
Answer» D. 42

Discussion

355.	8 years ago there were 5 members in the Arthur's family and then the average age of the family Â was 36 years. Mean while Arthur got married and gave birth to a child. Still the average age of his family is same now. What is the age of his wife at the time of his child's birth was.If the difference between the age of her Â child and herself was 26 years.
A.	25 years
B.	26 years
C.	20 years
D.	can't be determined
Answer» C. 20 years

Discussion

356.	3 numbers whose average is 112, the first number is 1/6th the sum of other 2. What is the first number?
A.	45
B.	30
C.	15
D.	48
Answer» E.

Discussion

357.	20 pens and 46 pencils were purchased for Rs. 235. If the average price of a pencil is Rs. 2.50 then calculate the average price (in Rs.) of a pen.
A.	6
B.	4
C.	8
D.	12
Answer» B. 4

Discussion

358.	20 men went to a restaurant. Ninteen of them paid Rs.70 each and the twentieth man paid Rs.90.25 more than the average of all the 20 men. What is the total bill ?
A.	Rs. 1495
B.	Rs. 548
C.	Rs. 850
D.	Rs. 1750
Answer» B. Rs. 548

Discussion

359.	19 personswentto a hotel for a combineddinner party. 13 of them spent Rs 79 each on their dinner and the rest spent Rs 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.	None of these
Answer» E.

Discussion

360.	19 friends went to a restaurant for a combined weekend dinner party. 13 of them spent Rs. 79 each on their dinner and the rest spent Rs. 4 more than the average expenditure of all the 19. What was the total money spent by them?
A.	Rs. 1398.96
B.	Rs. 1457.09
C.	Rs. 1662.35
D.	Rs. 1536.07
Answer» E.

Discussion

361.	16 children are to be divided into two groups A and B of 10 and 6 children. The average percent marks obtained by the children of group A is 75 and the average percent marks of all the 16 children is 76. What is the average percent marks of children of group B ?
A.	233/3
B.	243/4
C.	254/5
D.	345/7
Answer» B. 243/4

Discussion

362.	1800 chocolates were distributed among the students of a class. Each student got twice as many chocolates as the number of students in the class. Calculate the number of students in the class._x005F_x000D_
A.	30
B.	40
C.	60
D.	90
Answer» B. 40

Discussion

363.	123 typists typeed 984 papers in 1/15 hour. The number of papers typed for Â minute by a average typist is:
A.	1
B.	2
C.	3
D.	5
Answer» C. 3

Discussion

364.	12 boys decided to constribute Rs. 750 each to an Orphange. Suddenly few of them boys dropped out and consequently the rest had to pay Rs. 150 more. Then the number of boys who dropped out?
A.	4
B.	6
C.	2
D.	3
Answer» D. 3

Discussion

365.	10 years ago, the average age of a family of 4 members was 24 years. Two children having been born (with age diference of 2 years), the present average age of the family is the same. The present age of the youngest child is :
A.	1
B.	2
C.	3
D.	4
Answer» D. 4

Discussion

366.	Find the average of first 30 multiples of 7._x005F_x000D_
A.	94.8
B.	99.6
C.	104.4
D.	108.5
Answer» E.

Discussion

367.	The average age of 8 men is increased by years when two of them whose ages are 21 years and 23 years are replaced by two new men. The average age of the two new men is :
A.	20
B.	30
C.	40
D.	50
Answer» C. 40

Discussion

368.	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.	45
B.	40
C.	39
D.	37
Answer» C. 39

Discussion

369.	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 (1/2). The number of pupils in the class is:%!
A.	10
B.	20
C.	40
D.	73
Answer» D. 73

Discussion

370.	If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:%!
A.	53.33
B.	54.68
C.	55
D.	None of these
Answer» C. 55

Discussion

371.	If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:%!
A.	53.33
B.	54.68
C.	55
D.	None of these
Answer» C. 55

Discussion

372.	A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:%!
A.	250
B.	276
C.	280
D.	285
Answer» E.

Discussion

373.	A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:%!
A.	250
B.	276
C.	280
D.	285
Answer» E.

Discussion

374.	The average of first five multiples of 3 is:%!
A.	9
B.	10
C.	8
D.	11
Answer» B. 10

Discussion

375.	Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 yr. How old is E?%!
A.	25 yr
B.	40 yr
C.	45yr
D.	64 yr
Answer» D. 64 yr

Discussion

376.	The difference between two angles of a triangle is 24o. The average of the same two angles is 54o. Which one of the following is the value of the greatest angle of the triangle?%!
A.	45o
B.	60o
C.	66o
D.	72o
Answer» E.

Discussion

377.	Average of ten positive numbers is x. If each number is increased by 10%, then x :%!
A.	remains unchanged
B.	may decrease
C.	may increase
D.	is increased by 10%
Answer» E.

Discussion

378.	A Batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.%!
A.	40
B.	39
C.	52
D.	55
Answer» C. 52

Discussion

379.	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

380.	The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager?%!
A.	640
B.	690
C.	420
D.	570
Answer» D. 570

Discussion

381.	/_The average of first five multiples of 3 is:?
A.	9
B.	10
C.	8
D.	11
Answer» B. 10

Discussion

382.	/_The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager??
A.	640
B.	690
C.	420
D.	570
Answer» D. 570

Discussion

383.	/_Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 yr. How old is E??
A.	25 yr
B.	40 yr
C.	45yr
D.	64 yr
Answer» D. 64 yr

Discussion

384.	/_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

385.	/_The difference between two angles of a triangle is 24o. The average of the same two angles is 54o. Which one of the following is the value of the greatest angle of the triangle??
A.	45o
B.	60o
C.	66o
D.	72o
Answer» E.

Discussion

386.	/_Average of ten positive numbers is x. If each number is increased by 10%, then x :?
A.	remains unchanged
B.	may decrease
C.	may increase
D.	is increased by 10%
Answer» E.

Discussion

387.	/_A Batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.?
A.	40
B.	39
C.	52
D.	55
Answer» C. 52

Discussion

388.	/_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

389.	_ A student finds the average of 10 positive integers. Each integer contains two digits. By mistake, the boy interchanges the digits of one number say ba for ab. Due to this, the average becomes 1.8 less than the previous one. What was the difference of the two digits a and b?$?
A.	8
B.	6
C.	2
D.	4
Answer» D. 4

Discussion

390.	_ 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 7/72. The numbers are:$?
A.	36, 18, 9
B.	24, 12, 6
C.	20, 10, 5
D.	16, 8, 4
Answer» C. 20, 10, 5

Discussion

391.	_ The average of 20 students is 12 years, if the teacher's age is included, average increases by one. The age of the teacher is:$?
A.	30 yrs
B.	33 yrs.
C.	28 yrs
D.	35 yrs.
Answer» C. 28 yrs

Discussion

392.	_ A man travels equal distances of his journey at 40, 30 and 15 km/h. respectively. Find his average speed for whole journey.$?
A.	24
B.	25
C.	27
D.	28
Answer» B. 25

Discussion

393.	_ 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

394.	_ When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students?$?
A.	57
B.	56.8
C.	58.2
D.	52.2
Answer» B. 56.8

Discussion

395.	_ The average weight of three boys A, B and C is 163/3 kg, while the average weight of three boys B, D and E is 53 kg. What is the average weight of A, B, C, D and E?$?
A.	52.4 kg
B.	53.2 kg
C.	53.8 kg
D.	Data inadequate
Answer» E.

Discussion

396.	_ 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

397.	_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

398.	In Arun's opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thinks that Arun's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arun?$?
A.	67 kg.
B.	68 kg.
C.	69 kg.
D.	Data inadequate
Answer» B. 68 kg.

Discussion

399.	In a set of three numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?$?
A.	2
B.	2.5
C.	3
D.	3.5
Answer» D. 3.5

Discussion

400.	A passenger travels from Delhi to Merut at a speed of 30 kmph and return with a speed of 60 kmph. What is the average speed?$?
A.	40
B.	45
C.	50
D.	48
Answer» B. 45

Discussion

Explore topic-wise MCQs in Arithmetic Ability.

A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings ?

A batsman makes 100 runs in the 25thÂ match of his career. His average runs per match increases by 1.4. Find his average before the 25thÂ match.

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?

A batsman has a certain average of runs for 12 innings. In the 13th inning he scores 96 runs thereby increasing his average by 5 runs. What will be hisÂ average after 13th inning?

3 numbers whose average is 112, the first number is 1/6th the sum of other 2. What is the first number?

20 pens and 46 pencils were purchased for Rs. 235. If the average price of a pencil is Rs. 2.50 then calculate the average price (in Rs.) of a pen.

20 men went to a restaurant. Ninteen of them paid Rs.70 each and the twentieth man paid Rs.90.25 more than the average of all the 20 men. What is the total bill ?

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

19 friends went to a restaurant for a combined weekend dinner party. 13 of them spent Rs. 79 each on their dinner and the rest spent Rs. 4 more than the average expenditure of all the 19. What was the total money spent by them?

16 children are to be divided into two groups A and B of 10 and 6 children. The average percent marks obtained by the children of group A is 75 and the average percent marks of all the 16 children is 76. What is the average percent marks of children of group B ?

1800 chocolates were distributed among the students of a class. Each student got twice as many chocolates as the number of students in the class. Calculate the number of students in the class._x005F_x000D_

123 typists typeed 984 papers in 1/15 hour. The number of papers typed for Â minute by a average typist is:

12 boys decided to constribute Rs. 750 each to an Orphange. Suddenly few of them boys dropped out and consequently the rest had to pay Rs. 150 more. Then the number of boys who dropped out?

10 years ago, the average age of a family of 4 members was 24 years. Two children having been born (with age diference of 2 years), the present average age of the family is the same. The present age of the youngest child is :

Find the average of first 30 multiples of 7._x005F_x000D_

The average age of 8 men is increased by years when two of them whose ages are 21 years and 23 years are replaced by two new men. The average age of the two new men is :

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 pupil&#39;s marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is:%!

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:%!

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:%!

A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:%!

A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:%!

The average of first five multiples of 3 is:%!

Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 yr. How old is E?%!

The difference between two angles of a triangle is 24o. The average of the same two angles is 54o. Which one of the following is the value of the greatest angle of the triangle?%!

Average of ten positive numbers is x. If each number is increased by 10%, then x :%!

A Batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.%!

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.%!

The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager?%!

*/*_The average of first five multiples of 3 is:?

*/*_The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager??

*/*_Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 yr. How old is E??

*/*_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 difference between two angles of a triangle is 24o. The average of the same two angles is 54o. Which one of the following is the value of the greatest angle of the triangle??

*/*_Average of ten positive numbers is x. If each number is increased by 10%, then x :?

*/*_A Batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.?

*/*_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 student finds the average of 10 positive integers. Each integer contains two digits. By mistake, the boy interchanges the digits of one number say ba for ab. Due to this, the average becomes 1.8 less than the previous one. What was the difference of the two digits a and b?$?

_ 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 7/72. The numbers are:$?

_ The average of 20 students is 12 years, if the teacher's age is included, average increases by one. The age of the teacher is:$?

_ A man travels equal distances of his journey at 40, 30 and 15 km/h. respectively. Find his average speed for whole journey.$?

_ 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.$?

_ When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students?$?

_ The average weight of three boys A, B and C is 163/3 kg, while the average weight of three boys B, D and E is 53 kg. What is the average weight of A, B, C, D and E?$?

_ 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?$?

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

In a set of three numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?$?

A passenger travels from Delhi to Merut at a speed of 30 kmph and return with a speed of 60 kmph. What is the average speed?$?

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 (1/2). The number of pupils in the class is:%!

/_The average of first five multiples of 3 is:?

/_The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager??

/_Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 yr. How old is E??

/_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 difference between two angles of a triangle is 24o. The average of the same two angles is 54o. Which one of the following is the value of the greatest angle of the triangle??

/_Average of ten positive numbers is x. If each number is increased by 10%, then x :?

/_A Batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.?

/_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.?