62 + Mcqs in Average Level 1 Page 1 McqOptions

1.	The average of first five multiples of 5 is:
A.	10
B.	12
C.	15
D.	25
Answer» D. 25

Discussion

2.	Find the average of all the numbers between 8 and 55 which are divisible by 7.
A.	17
B.	31.5
C.	34
D.	44
Answer» C. 34

Discussion

3.	The average of 15 numbers is zero. Of them, at the most, how many may be greater than zero?
A.	0
B.	1
C.	10
D.	14
Answer» E.

Discussion

4.	In Ashish’s opinion, his weight is greater than 55 kg but less than 62 kg. His father does notagree with Ashish and he thinks that Ashish’s weight is greater than 50 kg but less than 60 kg. His sister’s view is that his weight can't be greater than 57kg. If all of them are correct in their estimation, what is the average of different probable weights of Ashish ? (Given: His weight must be in integer in kg.)
A.	56.5 kg
B.	68 kg
C.	69 kg
D.	Data inadequate
Answer» B. 68 kg

Discussion

5.	Vibhor obtained 66, 74, 55, 92, 79 (out of 100) in English, Maths, Physics, Chemistry and Biology. what's his average marks ?
A.	75%
B.	69%
C.	73.2%
D.	76%
Answer» D. 76%

Discussion

6.	The mean of 13, 23, 33, 43, 53is :
A.	30
B.	35
C.	45
D.	70
Answer» D. 70

Discussion

7.	The sum of four consecutive odd numbers is 30 more than the average of these numbers. What is the first of these numbers?
A.	7
B.	14
C.	17
D.	Data inadequate
Answer» B. 14

Discussion

8.	The average of seven consecutive even numbers is 36. What is the difference between the highest and lowest numbers ?
A.	2
B.	5
C.	12
D.	Can't be determined
Answer» D. Can't be determined

Discussion

9.	The average of 5 consecutive numbers is 30. The largest of these numbers is:
A.	20
B.	22
C.	32
D.	40
Answer» D. 40

Discussion

10.	The average of a non-zero number and its square is 7 times the number. The number is:
A.	13
B.	17
C.	29
D.	28
Answer» B. 17

Discussion

11.	The average weight of 18 boys in a class is 45.55 kgs and that of the remaining 4 boys is 35.25 kgs. Find the average weight of all the boys in the class.
A.	44.33 kgs
B.	42 kgs
C.	43.67 kgs
D.	49.23 kgs
E.	None of these.
Answer» D. 49.23 kgs

Discussion

12.	If the average marks of three batches of 40, 50 and 60 students respectively is 30, 50 and 70, then the average marks of all the students is:
A.	63.33
B.	52.66
C.	60
D.	65
E.	None of these
Answer» C. 60

Discussion

13.	A library has an average of 430 visitors on Sundays and 270 on other days. The around average of the number of visitors per day in a month of 31 days beginning with a Saturday is:
A.	260
B.	275
C.	285
D.	296
E.	None of these
Answer» E. None of these

Discussion

14.	A family consist of grandparents, parents and two grandchildren. The average age of the grandparents is 56 years, that of the parents is 27 years and that of the grandchildren is 7 years. What is the average of the family?
A.	200/3 years
B.	233/6years
C.	30 years
D.	40 years
E.	None of these.
Answer» D. 40 years

Discussion

15.	The average annual income (in Rs.) of certain agricultural workers is P and that of other workers is Q . The number of agricultural workers is 9 times that of other workers. Then the average monthly income (in Rs.) of all the workers is :
A.	(P + Q)/10
B.	(P + 9Q)/10
C.	1/( P + Q)
D.	(9P + Q) / 10
E.	None of these
Answer» E. None of these

Discussion

16.	The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by one kg. What was the teacher's weight ?
A.	86 Kg
B.	64 Kg
C.	72 Kg
D.	98 Kg
E.	None of these
Answer» B. 64 Kg

Discussion

17.	A man purchases milk for three consecutive years. In the first year, he purchases milk at the rate of Rs. 7.50 per litre, in the second year, at the rate of Rs. 8.00 per litre and in the third year, at Rs. 8.50 per litre. If he purchases milk worth Rs. 4,080 each year, the average price of milk per litre for the three years is
A.	Rs. 7.68
B.	Rs. 7.98
C.	Rs. 7.54
D.	Rs. 7.83
E.	None of these
Answer» C. Rs. 7.54

Discussion

18.	The average monthly income of a family of four earning members was Rs. 15130. One of the daughters in the family got married and left home, so the average monthly income of the family came down to Rs. 14660. What is the monthly income of the married daughter ?
A.	Rs. 15350
B.	Rs. 12000
C.	Rs. 16540
D.	Can't be determined
E.	None of these
Answer» D. Can't be determined

Discussion

19.	There are 7 friends. If salaries of these friends are in order- 10K = S1≥S2≥S3 ≥S4≥….. ≥S7 = 5K Which of the following can’t be the average of these 7 friends.
A.	7.28
B.	6.71
C.	9.42
D.	6
E.	None of these
Answer» D. 6

Discussion

20.	A number is such that when it is multiplied by 8, it gives another number which is as much above from 270 as the original number (itself) is below 270. The average of the original number and the resultant number is:
A.	33.75
B.	190
C.	Can’t be determined
D.	None of these
Answer» E.

Discussion

21.	The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52. The sixth no. is?
A.	48
B.	50
C.	52
D.	56
Answer» E.

Discussion

22.	If average weight of a family is ‘y’ kg. If a guest weighing 30 kg arrives then the average weight is increases by 1 kg. If the weight of this guest had been 18 kg then the average weight of the family would have decreased by 1 kg. Find ‘y’.
A.	28
B.	24
C.	30
D.	22
Answer» C. 30

Discussion

23.	The arithmetic mean of the following numbers 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 and 7, 7, 7, 7, 7, 7, 7, is
A.	4
B.	5
C.	14
D.	20
Answer» C. 14

Discussion

24.	Consider the sequence of 5 consecutive integers. If the average of first three is t. The average of all five integers is:
A.	t + 2
B.	t + 1
C.	t + 3
D.	t
Answer» C. t + 3

Discussion

25.	Find the average of the following set of numbers 354, 281, 623, 518, 447, 702, 876
A.	538
B.	555
C.	568
D.	None of these
Answer» E.

Discussion

26.	A shop of electronic goods is closed on Monday. The average sales per day for remaining six days of a week is Rs. 15640 and the average sale of Tuesday to Saturday is Rs. 14124. The sales on Sunday is
A.	Rs. 21704
B.	Rs. 23220
C.	Rs. 20188
D.	Data Inadequate
Answer» C. Rs. 20188

Discussion

27.	The mean high temperature of the first four days of a week is 25°C where as the mean the last four days is 25.5°C. If the man of the whole week is 25.2°C then the temperature of the 4th days is
A.	25°C
B.	25.2°C
C.	25.5°C
D.	25.6°C
Answer» E.

Discussion

28.	The average weight of a class of 25 students is 37 kg. When the weight of the teacher is also included, the average weight increases by 1 kg. What is the weight of the teacher ?
A.	65 kg
B.	63 kg
C.	54 kg
D.	58 kg
E.	None of these
Answer» C. 54 kg

Discussion

29.	The average age of 12 person is 32 years. If the age of one person is added, the average decreases by one year. What is the age of the new person ?
A.	19 years
B.	23 years
C.	25 years
D.	21 years
E.	None of these
Answer» B. 23 years

Discussion

30.	The average age of X and Y is 33 years. If Z's age is added the average of their ages becomes 31 years. What is the age of Z ?
A.	24 years
B.	27 years
C.	30 years
D.	33 years
E.	None of these
Answer» C. 30 years

Discussion

31.	The average marks of a student in seven subjects was 75. His average marks in six subjects, excluding Maths, was 73. How many marks did he score in Maths ?
A.	81
B.	84
C.	87
D.	91
E.	None of these
Answer» D. 91

Discussion

32.	The average age of 36 students in a group is 14 years. When teacher's age is included the average increases by one. What is the teacher's age ?
A.	31 years
B.	36 years
C.	51 years
D.	Can't be determined
E.	None of these
Answer» D. Can't be determined

Discussion

33.	Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is 56, then difference of the first and third number is
A.	12
B.	36
C.	24
D.	48
Answer» E.

Discussion

34.	In a certain year, the average monthly income of a person was Rs. 3400. For the first eight months of the year, his average monthly income was Rs. 3160 and for the last five months , it was Rs. 4,120. His income in the eighth month of the year was:
A.	Rs. 3,160
B.	Rs. 5,080
C.	Rs. 15,520
D.	Rs. 5,520
Answer» C. Rs. 15,520

Discussion

35.	A man purchases milk for three consecutive years. In the first year, he purchases milk at the rate of ₹ 7.50 per litre, in the second year, at the rate of ₹ 8.00 per litre and in the third year, at ₹ 8.50 per litre. If he purchases milk worth ₹ 4,080 each year, the average price of milk per litre for the three years is
A.	₹ 7.68
B.	₹ 7.98
C.	₹ 7.54
D.	₹ 7.83
Answer» C. ₹ 7.54

Discussion

36.	Manish has a certain average for 11 innings. In the 12th innings he scores 120 runs and thereby increases his average by 5 runs. His new average is
A.	60
B.	62
C.	65
D.	66
Answer» D. 66

Discussion

37.	The average of five numbers is 56. If the average of first four numbers is 54, what is the value of the fifth number ?
A.	68
B.	72
C.	56
D.	64
Answer» E.

Discussion

38.	There are 25 students in a class and the average of their ages is 15 years. The average age of the first 12 students is 14 and the average age of the last 12 students is 16. If the age of Amrutha is 5 years more than the age of 13th student, find the age of Amrutha.
A.	12
B.	15
C.	20
D.	25
E.	30
Answer» D. 25

Discussion

39.	The average weight of three students A, B and C is 88.5kgs while the average weight of the other three students, D , F and G is 83.5 kg. What is the average weight of A, B, C, F and J?
A.	83.8 kg
B.	82.4 kg
C.	83.2 kg
D.	Data inadequate
E.	None of these
Answer» E. None of these

Discussion

40.	The average salary per head of all the workers of an office is Rs 95. The average salary of 15 officer is Rs 525 and the average salary of the rest is Rs 85. Find the total numbers of workers.
A.	645
B.	660
C.	670
D.	650
E.	None of these
Answer» C. 670

Discussion

41.	Mahima bought 20 kg pasta for Rs 30 per kg, m kg pasta for Rs 35 per kg and (m + 4) kg pasta for Rs 25 per kg. She mixed all type of pasta together and the average cost price of 1 kg pasta is Rs 29.6. Find the quantity of pasta that is bought at Rs 25 per kg.
A.	12 kg
B.	20 kg
C.	13 kg
D.	22 kg
E.	None of these
Answer» F.

Discussion

42.	There are 14 people in a family and the average age of all the family members is 30 years. A new baby born in a family, After 4 years what will be the average age of the all family members?
A.	30 years
B.	35 years
C.	28 years
D.	33 years
E.	None of these
Answer» F.

Discussion

43.	The average sales of a mobile shopkeeper was 15 mobiles per week, to increase the sales he decided to tie up with a finance company for providing mobiles to customers on installment. After the launch of this scheme his average sales increased to 21 mobile per week. The annual percentage increase in the sales of mobile was:
A.	40%
B.	140%
C.	42 6 % 7
D.	39.33%
E.	None of these
Answer» B. 140%

Discussion

44.	The average salary of 65 workers is Rs. 5680 out of which average salary of 31 workers is Rs. 2356 and that of 23 workers is Rs. 4589. What is the average salary of remaining workers?(value in approximate)
A.	Rs. 19832
B.	Rs. 19732
C.	Rs. 17329
D.	Rs. 18329
E.	None of these
Answer» D. Rs. 18329

Discussion

45.	The average salary of male employees in a firm was Rs. 6000 and that of females was Rs. 5600. The mean salary of all the employees was Rs. 5800. What is the % of female employees?
A.	60%
B.	50%
C.	70%
D.	20%
E.	None of these
Answer» C. 70%

Discussion

46.	While purchasing an item that costs Rs. 400, one has to pay sales tax at the rate of 7% and on another item costing Rs. 6400, the rate of sales tax was 9%. The percent of sales tax one has to pay, taking these items together on an average is?
A.	6 13 % 16
B.	7 14 % 17
C.	9 18 % 15
D.	8 15 % 17
E.	None of these
Answer» E. None of these

Discussion

47.	In a class with a certain number of students if one new student weighing 50 kg is added, then average weight of class is increased by 1 kg. If one more student weighing 50 kg is added, then the average weight of the class increases by 1.5 kg over the original average. What is the original average weight (in kg) of the class?
A.	46
B.	42
C.	27
D.	47
E.	None of these
Answer» E. None of these

Discussion

48.	In Champions league, Rohit scored an average of 120 runs per match in the first 3 match and an average of 140 runs per match in the last four match. What is Rohit’s average runs for the first match and the last two match if his average runs per match for all the five match is 122 and total number of matches are 5?
A.	100
B.	200
C.	150
D.	50
E.	None of these
Answer» B. 200

Discussion

49.	An exam was conducted in a state over 222 centres. The average number of applicants per centre was found to be 1560. However, it was later realized that in one centre, the number of applicants was counted as 1857 instead of 1747. What was the correct average number of applicants per centre (upto two decimals)?
A.	1557.87
B.	1558.20
C.	1558.92
D.	1559.51
E.	None of these
Answer» E. None of these

Discussion

50.	The average salary of a company increases by 100 when the salary of the manager, which is Rs. 9500, is included. If the number of employees excluding the manager is the smallest cube divisible by 16, what is the final average of the company?
A.	Rs. 4000
B.	Rs. 3400
C.	Rs. 3700
D.	Rs. 3100
E.	None of these
Answer» E. None of these

Discussion

Explore topic-wise MCQs in Arithmetic.

The average of first five multiples of 5 is:

Find the average of all the numbers between 8 and 55 which are divisible by 7.

The average of 15 numbers is zero. Of them, at the most, how many may be greater than zero?

Vibhor obtained 66, 74, 55, 92, 79 (out of 100) in English, Maths, Physics, Chemistry and Biology. what's his average marks ?

The mean of 13, 23, 33, 43, 53is :

The sum of four consecutive odd numbers is 30 more than the average of these numbers. What is the first of these numbers?

The average of seven consecutive even numbers is 36. What is the difference between the highest and lowest numbers ?

The average of 5 consecutive numbers is 30. The largest of these numbers is:

The average of a non-zero number and its square is 7 times the number. The number is:

The average weight of 18 boys in a class is 45.55 kgs and that of the remaining 4 boys is 35.25 kgs. Find the average weight of all the boys in the class.

If the average marks of three batches of 40, 50 and 60 students respectively is 30, 50 and 70, then the average marks of all the students is:

A library has an average of 430 visitors on Sundays and 270 on other days. The around average of the number of visitors per day in a month of 31 days beginning with a Saturday is:

A family consist of grandparents, parents and two grandchildren. The average age of the grandparents is 56 years, that of the parents is 27 years and that of the grandchildren is 7 years. What is the average of the family?

The average annual income (in Rs.) of certain agricultural workers is P and that of other workers is Q . The number of agricultural workers is 9 times that of other workers. Then the average monthly income (in Rs.) of all the workers is :

The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by one kg. What was the teacher's weight ?

The average monthly income of a family of four earning members was Rs. 15130. One of the daughters in the family got married and left home, so the average monthly income of the family came down to Rs. 14660. What is the monthly income of the married daughter ?

There are 7 friends. If salaries of these friends are in order- 10K = S1≥S2≥S3 ≥S4≥….. ≥S7 = 5K Which of the following can’t be the average of these 7 friends.

A number is such that when it is multiplied by 8, it gives another number which is as much above from 270 as the original number (itself) is below 270. The average of the original number and the resultant number is:

The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52. The sixth no. is?

If average weight of a family is ‘y’ kg. If a guest weighing 30 kg arrives then the average weight is increases by 1 kg. If the weight of this guest had been 18 kg then the average weight of the family would have decreased by 1 kg. Find ‘y’.

The arithmetic mean of the following numbers 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 and 7, 7, 7, 7, 7, 7, 7, is

Consider the sequence of 5 consecutive integers. If the average of first three is t. The average of all five integers is:

Find the average of the following set of numbers 354, 281, 623, 518, 447, 702, 876

A shop of electronic goods is closed on Monday. The average sales per day for remaining six days of a week is Rs. 15640 and the average sale of Tuesday to Saturday is Rs. 14124. The sales on Sunday is

The mean high temperature of the first four days of a week is 25°C where as the mean the last four days is 25.5°C. If the man of the whole week is 25.2°C then the temperature of the 4th days is

The average weight of a class of 25 students is 37 kg. When the weight of the teacher is also included, the average weight increases by 1 kg. What is the weight of the teacher ?

The average age of 12 person is 32 years. If the age of one person is added, the average decreases by one year. What is the age of the new person ?

The average age of X and Y is 33 years. If Z's age is added the average of their ages becomes 31 years. What is the age of Z ?

The average marks of a student in seven subjects was 75. His average marks in six subjects, excluding Maths, was 73. How many marks did he score in Maths ?

The average age of 36 students in a group is 14 years. When teacher's age is included the average increases by one. What is the teacher's age ?

Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is 56, then difference of the first and third number is

In a certain year, the average monthly income of a person was Rs. 3400. For the first eight months of the year, his average monthly income was Rs. 3160 and for the last five months , it was Rs. 4,120. His income in the eighth month of the year was:

Manish has a certain average for 11 innings. In the 12th innings he scores 120 runs and thereby increases his average by 5 runs. His new average is

The average of five numbers is 56. If the average of first four numbers is 54, what is the value of the fifth number ?

There are 25 students in a class and the average of their ages is 15 years. The average age of the first 12 students is 14 and the average age of the last 12 students is 16. If the age of Amrutha is 5 years more than the age of 13th student, find the age of Amrutha.

The average weight of three students A, B and C is 88.5kgs while the average weight of the other three students, D , F and G is 83.5 kg. What is the average weight of A, B, C, F and J?

The average salary per head of all the workers of an office is Rs 95. The average salary of 15 officer is Rs 525 and the average salary of the rest is Rs 85. Find the total numbers of workers.

Mahima bought 20 kg pasta for Rs 30 per kg, m kg pasta for Rs 35 per kg and (m + 4) kg pasta for Rs 25 per kg. She mixed all type of pasta together and the average cost price of 1 kg pasta is Rs 29.6. Find the quantity of pasta that is bought at Rs 25 per kg.

There are 14 people in a family and the average age of all the family members is 30 years. A new baby born in a family, After 4 years what will be the average age of the all family members?

The average salary of 65 workers is Rs. 5680 out of which average salary of 31 workers is Rs. 2356 and that of 23 workers is Rs. 4589. What is the average salary of remaining workers?(value in approximate)

The average salary of male employees in a firm was Rs. 6000 and that of females was Rs. 5600. The mean salary of all the employees was Rs. 5800. What is the % of female employees?

While purchasing an item that costs Rs. 400, one has to pay sales tax at the rate of 7% and on another item costing Rs. 6400, the rate of sales tax was 9%. The percent of sales tax one has to pay, taking these items together on an average is?

The average salary of a company increases by 100 when the salary of the manager, which is Rs. 9500, is included. If the number of employees excluding the manager is the smallest cube divisible by 16, what is the final average of the company?