The average weight of a group of 15 students is 32.5 & the average weight of another group of 17 students is 28.5. Find the average weight of both groups together.

The average weight of 100 food bags in a ship is increased by 5.8 kg when one of the food bags, whose weight is 350 kg is replaced by a new bag. Find the weight of the new food bag.

The average weight of 12 people increases by 0.5 kg when a new person comes in place of one of them weighing 50 kg. What will be the weight of the new person?

In a class, the average weight of 15 students is 42.35 kg and that of the remaining 20 students is 48.50 kg. If a new student with a weight of 54 kg is added to the class find the new average weight of all the students in the class :

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.

In a group of 7 people of average weight 69kg when a person of weight 69kg was replaced by another person the average weight is reduced by 2kg what is the weight of the new person?

In a family of 5 members, the weights are in arithmetic progression. The average weight of the family is 43kg and the weight of the lightest member is 29kg. What is the average of the weight of heaviest two persons in the family?

Bharat weighed 95.5 kg. The concerned Bharat decided to reduce his weight and decided to join a gym. The weight of Bharat before the gym and after gym is in the ratio 5 : 4. Find the reduction in his weight.

The average weight of 25 men is 52 kg. If one man 64 kg leaves, then what is the average weight of remaining men?

The average weight of class of 30 students is 50 Kg. After, one of the students is replaced by Raju, the total weight of the class becomes 1520 Kg. if the weight of Raju is 70 Kg, then find the weight of the students who got replaced.

The average weight of 12 person's increases by 1.5 kg when a new person comes in place of one of them weighing 45 kg. What will be the weight of the new person?

The average weight of 20 students in a class is increased by 0.50 kg when one of the students weighing 30 kg is replaced by a new student. Find the weight of the new student.

Ravi and 22 other students have an average weight of 37 Kg. When Manish replaced Ravi, the total weight of the class turned out to be 845 Kg. If the weight of Ravi is 36 Kg, find the weight of Manish.

The average weight of a group of 24 persons is 63 kg. Four persons whose weights are 56 kg, 58.5 kg, 65.5 kg & 60 kg are included. Find the new average weight of the group.

The average weight of a band of 8 persons is 67 kg. If one of the persons whose weight is 50 kg leaves the band and a new one joins then, the average becomes 69 kg. Find the weight of the new person.

In a class, the number of boys is 10 more than that of girls. The average weight of a boy and a girl is 48 kg and 32 kg, respectively and the average weight of each student in the class is 41 kg. Find the total number of students (boys + girls) in the class.

The average weight of 27 employees of a group is 58 kg. When their boss is included, the average increases by 1.5 kg, what will be the weight of the boss?

The average weight of 48 students in a class is 36 kg. If the weights of the teacher and principal are included. The average becomes 36.76 kg. Find the sum of the weights of teacher and principal. 

The weight of heavy blankets in the house is 32 kg in total and the number of light blankets in the house is 6. If the weighted average of all the blankets is 4kg & the average weight of light blankets is 10/3 kg then, what is the number of heavy blankets in the house?

The average weight of six persons in a group is 55 kg. One of the persons whose weight is 50 kg left the group and a new person joined them and the average reduced to 54.5 kg. Find the weight of the new person.

When a person weighing 50 kg is replaced by a new person, the average weight of 16 persons increases by 1.2 kg. What will be the weight of the new person?

In a group of 7 people of average weight 55 kg, one person is removed from weight X and a new person of weight Y is added then the average becomes 58 kg. What is the absolute difference between X and Y?

The average weight of 15 boys in a group is 58 kg and the average weight of some boys in another group is 62 kg. Find the number of boys in another group if the average weight of all the boys together is 59 kg.

In class 10th, the number of boys is 38, with a total weight of 2457 kg. Also, in class 11th there are 53 girls with the same total weight as boys in class 10th. Find the average weight of boys in class 10th and girls in class 11th.

The average weight of a band of 8 persons is 67 kg. If one of the persons whose weight is 50 kg leaves the band and a new one joins then, the average becomes 69 kg. Find the weight of the new person.

Bharat weighed 95.5 kg. The Bharat decided to reduce his weight and decided to join a gym. The weight of Bharat before the gym and after gym is in the ratio 5 : 4. Find the reduction in his weight.

The average weight of a group of 15 students is 32.5 & the average weight of another group of 17 students is 28.5. Find the average weight of both groups together.

There are 16 students in a class. A new student of weight 67 kg joined the class, and their average weight increased by 3 kg. What is the average weight of 17 students?

In a class of 38 students, the average weight of all students is 54 kg whereas the average weight of the students and one teacher is 54.5 kg. What is the weight of the teacher? (in kg)

The average height of 20 women is increased by 0.5 cm when one of the women of 200 cm height is replaced by a new woman. Find the height of the new woman in cm.

The average weight of 22 girls is 46 kg, that of another 28 girls is 54 kg and that of another 20 girls is 30 kg. Find the average weight of all the girls.

The average weight of a group of friends is 68 kg if the total weight of all the friends is 476 kg then, how many friends are there in the group?

When a person weighing 39 kg is replaced by a new person, the average weight of 24 persons increases by 0.7 kg. What will be the weight of the new person?

The average weight of the six members of a committee is 50 Kg. If one of the members leaves the committee whose weight is 55 Kg and a member joins the committee then the average weight decreases by 10%. Find the weight of the new member.

The average weight of students in Class A, Class B, and Class C is 54 kg, 48 kg, and 50 kg respectively, and the ratio of the number of students in Class A, Class B, and Class C is 1 : 2 : 3. Find the average weight of all classes together.

The average height of 9 objects is 12 cm. If the average height of the first 3 objects is 15 cm, the average height of the other 5 is x and the last object's height is 23 cm, then find x.

A certain number of passengers travel in a bus whose average weight is 60 kg. If at the first stoppage 20 passengers get down from the bus and 10 passengers board the bus and their average weight remains the same. At the second stoppage, 40 passengers of average weight 50 get down from the bus and 20 passengers of average weight 60 board the bus. When the bus reaches its destination the average weight of the passengers is 68 kg then find the number of passengers initially.

The average weight of 6 people is increased by 3 kg when a person who has a weight of 30 kg, is replaced by another new person. Find the weight of the new person.

There is a group of 10 members. The average weight of the group is increased by 4 kg when 2 people, who weigh 55 kg together, are replaced by 3 people. Find the average weight of these 3 people.

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 height of the first six students is 170 cm, and the average height of the last eight students is 175 cm. The average height of the total 16 students is 180 cm. Find the average height of the rest two students.

In a gas delivery vehicle, there is a total of 12 full cylinders. 5 full cylinders were replaced with 3 empty cylinders and the average weight of the cylinders becomes 30.15 kg. if the weight of gas in a full cylinder is 14.5 kg, find the weight of an empty cylinder.

The average number of people living in each house in a society having 47 houses is 4. If this average decreased by 0.2 when 2 families left the society then, what is the total number of people in 2 families which left?

The average weight of a class of 25 students is 55 kg. A new student whose weight is 52 kg replaces an old student of this class. Hence, the average weight of the whole class decreases by 1 kg. The weight of the replaced student is:

The average age of boys in the class is 34 years and the average age of girls is 30 years. The ratio of the number of boys to the girls is 3 : 2. If five boys of average age equal to the total average age of the class are taken out, the average age of the boys increased by 2. Find the total strength of the class.

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 class having 50 students is 60 kg If now ‘x ‘ new students with average weight ‘y ‘ kg join the class. If it is given that x + y = 70 then what is the maximum possible average weight of the class now? (up to two places after decimal )

The average height of a group is 162 cm. When a man of height 152 cm is replaced by another man of height 168.2 cm, the average height of group becomes 2% more than previous average height. Find the initial number of men in the group.

Average height of a group of 12 persons is 5 feet 3 inch. If 3 persons from the group are replaced by a person whose height is 6 feet, the average height becomes 5 feet 3.6 inch. Find the average height of the remaining 3 persons.

There is a total of 30 students in class 12th. If we replace a student of weight 71Kg with a new student then, the average weight of the class decreases by 2 kg. Find the weight of the new student.