The average height of three kids is 56 cm and their heights are in the proportion of 7 : 8 : 9. Find the heights of all the three.

The Group Leader of a group of 6 students reported that their average weight is 46 kg. When the members of the group were asked about their individual weights, 5 of them answered: 50 kg, 52 kg, 40 kg, 44 kg, 48 kg. The 6th member said, “I can’t recall my weight”. What is his weight?

The average weight of the first thirteen persons among fourteen persons is 78 kg. The weight of the 14th person is 39 kg more than the average weight of all the fourteen persons. Find the weight of the 14th person.

The average weight of 15 athletes and three trainers is 60 kg. When four more athletes with an average weight of 63 kg are included in the group, what is the average weight (in kg, rounded off to the nearest integer) of the group?

In a class, there are 60 students. The average weight of the entire class is 42 kg. If there are 36 boys in the class and the average weight of all the boys is 50 kg, then what is the average weight (in kg) of all the girls?

The average weight of P and his three friends is 55kg. If P has 4 kg more weight than the average weight of his three friends, what is P's weight (in kg)?

The average weight of A, B and C is 65 kg. If the average weight of A and B is 62 kg and that of B and C is 66 kg, then the weight (in kg) of B is:

The average weight of 17 students is 53 kg. After including a new student in that group the average weight rises by 2 kg. What is the weight of the new student?

In a class, there are 39 students and their average weight is 51 kg. If we include the weight of the teacher then, the average weight becomes 51.2 kg. What is the weight of the teacher?

The average height of W, X, and Y is 185 cm. If the average height of W and X is 153 cm and the average height of X and Y is 152 cm, then what is the height of X?

In a sports club, 86% of the members are men, and 14% of the members are women. If the average age of the men is 25 years and the average age of the women is 35 years, then what is the average age (in years) of all the members?

The average weight of 100 employees in a company is 62 kg and that of the remaining 25 employees is 52 kg. Find the average weight of all the employees in the company.

The weight of the five boys is recorded as 22.450 kg, 24.150 kg, 24.720 kg, 28.530 kg, and 25.150 kg. What is the average weight of all the five boys?

The average weight of 10 persons increases by 7.9 kg when a new person replaces one of them weighing 20 kg. What is the weight of the new person?

If a person weighing 40 kg joins, then the average weight of a group increases by 1 kg. If the weight of this person had been 28 kg, then the average weight of the group would have decreased by 1 kg. The actual average weight of the group is:

The average weight of 49 students in a class is 39 kg. Seven of them whose average weight is 40 kg left the class and other seven students whose average weight is 54 kg joined the class. What is the new average weight (in kg) of the class?

The average weight of 5 men decreases by 3 kg when one of them weighing 150 kg is replaced by another person. Find the weight of the new person.

The average weight of a truck and four cars is 48 kg, which is reduced by 1 kg if the weight of the truck is excluded. What is the weight of the truck?

In a golf club, 90% of members are men and the remaining are women. The average height of men is 170 cm and the average height of women is 165 cm. Find the average height of the club members.

The ratio of the weight of Ram, Shyam, and Mohan is 7 : 8 : 5 respectively. The average weight of Ram, Shyam, and Mohan is 80 kg. What is the average weight of Ram and Shyam? 

The average weight of 45 students in a school is 55 kg. If the weight of the teacher is included, the average weight rises by 300 grams. Find the weight of the teacher.

The average weight of 20 people is 75 kg. The average weight of 10 people out of them is 70 kg. The average weight of 5 people out of the remaining people is 75 kgs. Find the average weight of 5 people remaining in the end.

The average height of 47 telecom towers which are arranged in ascending order is 272 m. If the average height of the first 23 telecom towers is 272 m and that of the last 23 telecom towers is 272 m, then what is the height of the 24th telecom tower? (In m)

There are 75 boys and 45 girls in the class. If the average weight of boys is 60 kg and the average weight of girls is 40 kg, then find the average weight of the whole class.

The average weight of a kabbadi team of 139 players is 89 kg. If the weight of the manager is included, then the average increases by 1 kg. Find the weight of the manager. (In kg)

The average weight of P, Q, and R is 51 kg. If the average weight of P and Q is 45 kg and that of Q and R is 46 kg, what is the weight of Q?(In kg)

The average weight of 32 students in a class is 53.25 kg, and that of the remaining 16 students is 49.5 kg. Find the average weight of all the students in the class. (in Kg)

The average weight of P, Q, and R is 53 kg. If the average weight of P and Q is 47 kg and that of Q and R is 48 kg, what is the weight of Q? (In kg)

The average weight of six persons is 30 kg. If a new person joins this group, then the average weight becomes 28 kg. What is the weight of the new person?

The average weight of 263 fertilizer bags is 63 kg. If the weight of the box (in which the fertilizer bags are kept) be included, the calculated average weight per fertilizer bag increases by 0.8 kg. What is the weight of the box? (In kg)

The average weight of A, B, C and D is 33 kg. C is 12 kg lighter than A, while B is 6 kg heavier than C. D's weight is 10 kg less than that of C. What is the average weight of A and D?

There are 90 female members and 60 male members in the club. If the average age of female members is 35 years, and the average age of male members is 45 years, then find the average age (in years) of the whole club.

The average weight of 8 students is 48 kg. If four students with an average weight of 44 kg and four students with an average weight of 58 kg are also added, then find the average weight of 16 students.

The average weight of 15 people increases by 3.2 kg when a new person comes in place of one of them, weighing 52 kg. The weight of the new person is:

In a group of 32 students, the average weight was 18.5 kg. When 4 students left the group, the average came down to 15.5 kg. What was the average weight (in kg) of those 4 students?

The average weight of 40 students of a school is 52 kg. If the weight of the teacher is included, the average weight rises by 500 grams. Find the weight (in kg) of the teacher.

The average weight of the group of 12 players increases by 1.5 kg when a new player replaces a player who weight 63 kg. What is the weight of the new player?

The average weight of a group of 12 children is 66 kg. If 2 children, X and Y replace A and B, the new average weight becomes 65 kg. The weight of A is equal to the weight of B and the weight of X is equal to the weight of Y. Another child, C, is included in the group, and the new average weight remains 65 kg. The weight of C is equal to the weight of X. Find the weight of A.

The weights (in kg) of five girls of a class are 49, 42, 61, 55 and 58. What is the average weight (in kg) of these five girls?

The average weight of 15 persons is increased by 1.2 kg when one of them whose weight is 51 kg is replaced by a new man. The weight of the new man is:

The average weight of Group A and Group B is 12kg and 24 kg respectively. The ratio of members in group A to group B is 1 : 2. Find the combined average of both the groups.

According to Raghav, his weight is more than 64 kg but less than 74 kg. His sister does not agree with Raghav and she thinks that his weight is more than 60 kg but less than 69 kg. His mother's view is that his weight cannot be more than 68 kg. His father's view is that his weight cannot be more than 67 kg. If all of them are correct in their estimation, then what is the average of different probable weights of Raghav measured (in kg)?

The average weight of fifteen boxes is 60 kg. Three boxes of weight 30 kg, 35 kg, and 32 kg were removed and two new boxes of average weight 43 kg were included. What is the difference in the average weights of the boxes after replacement?

The average weight of a bus having a total of 45 people was 56 kg. At one stop, 3 people boarded the bus and the average weight of the bus increased to 57.5 kg, what is the average weight of 3 people who boarded the bus later?

The average weight of 4 children in a family is 25 kg. The heaviest children’s weight is 10 kg more than the lightest children. If the average weight of the other two children is 15 kg, then find the weight of the heaviest children.

There are 100 boxes in a room, all are filled with mangoes and each has 25 kg weight. If 3 boxes are replaced by 2 empty boxes then what is the average weight of the whole boxes? (The weight of empty boxes is negligible)

The average weight of a bus including the driver, conductor and helper is 1000 kg, whereas the average weight of driver, conductor and helper is 300 kg. Find the weight of the bus.

There are some people who live in a colony, the weight of the people during 8 months are as following

Find the average of the people for each month