EASY

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Find the average of the following set of scores.

157, 348, 443, 221, 360, 795, 841, 101

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Important Questions on Averages

EASY

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

Average of three numbers $B, C$ and $D$ is $1$ more than the average of $A, B$ and $C$ . Average of $A$ and $D$ is $19.5$ .

Quantity $1$ : Find $A$ .

Quantity $2$ : $21$ .

HARD

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

The average weight of boys in a class is

30 k g

and the average weight of girls in the same class is

20 k g

. If, the average weight of whole class is

23.25 k g

, what could be the possible strength of boys and girls respectively in the same class?

MEDIUM

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

A batsman played three matches in a tournament. The respective ratio between the scores of

1

^st and

2

^nd match was

5 : 4

and that between the scores of the

2

^nd and the

3

^rd match was

2 : 1

. The difference between the

1

^st and

3

^rd match was

48

runs. What was the batsman’s average score in all the three matches?

MEDIUM

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

The average runs of a cricketer in a tournament, in which he played

14

matches, were

47 .

His average runs in the first seven matches were

57

, and that in the last five matches were

44 .

If the runs made by him in

8^{t h}

match was

15,

how many run did he make in

9^{t h}

match?

MEDIUM

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

The average of

x

y

z

24

x : y

= 2 : 3

x + y = 60

, then find

x - z

EASY

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

There are

5

consecutive odd numbers. If the difference between the square of the average of the first two odd numbers and the square of the average of the last two odd numbers is

588

, what is the smallest odd number?

EASY

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

The average height of

16

students in a class is

142 cm

. If the height of the teacher is added the average increases by

1 cm

. What is the height of the teacher in

cm

HARD

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

Jaydeep purchased 25 kg of rice at the rate of Rs. 16.50 per kg and 35 kg of rice at the rate of 24.50 per kg. He mixed the two and sold the mixture. Approximately at what rate per kg did he sell the mixture to make 25% profit?

HARD

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, the ratio of gold and copper in C will be :

HARD

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

In a school with 600 students, the average age of the boys is 12 years and that of the girls is 11 years. If the average age of the school is 11 years and 9 months, then the number of girls in the school is -

EASY

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

The average of 5 numbers is 306.4. The average of the first two numbers is 431 and the average of the last two numbers is 214.5. What is the third number?

EASY

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

The average age of a group of 10 students was 15 years. When 5 more students joined the group, the average age rose by 1 year. The average age (in years) of the new students was

HARD

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

The batting average of 40 innings of cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded the average of the remaining 38 innings is 48. What was his highest score ?

MEDIUM

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

Find the ratio in which rice at

₹ 7.20

kg

be mixed with rice at

₹ 5.70

kg

to produce a mixture worth

₹ 6.30

kg

MEDIUM

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

Average score of Rahul, Manish and Suresh is 63. Rahul's score is 15 less than Ajay and 10 more than the average sores of Rahul, Manish and Suresh, what is the sum of Manish's and Suresh's scores?

MEDIUM

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

Three types of rice whose rates are Rs. 38, Rs. 43 and Rs. 49 per kg are blended together to make a 15 kg of new blend of rice in which there are 8 kgs, 4 kgs 3 kgs of the respective types of rice. What is The average price of the new blend of rice ?

MEDIUM

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

If the value of

21 a + 21 b = 1134

, what is the average of

a + b ?

MEDIUM

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

The cost of the Red, Green and Blue colours per kg is Rs. 20, Rs. 15 and Rs. 18 respectively. Rang Mahal is a renowned building in which these three colours are being used in the ratio of 3 : 2 : 4 . The average cost of all the three colours used per kg is

MEDIUM

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

A mixture contains milk and water in the ratio 3 : 2. If 4 litres of water is added to the mixture, milk and water in the mixture becomes equal. Find the quantity of milk in mixture in litres.

EASY

Quantitative Aptitude>Arithmetic>Averages>Problems on Averages

The average height of four girls was recorded as 150 cm. If the average of the heights of three girls out of the four was 148 cm, what was the height of the fourth girl?

Find the average of the following set of scores. 157, 348, 443, 221, 360, 795, 841, 101

Important Questions on Averages

Learn and Prepare for any exam you want !

Find the average of the following set of scores.

157, 348, 443, 221, 360, 795, 841, 101