The average weight of 8 students increased by 1.5 kg. If a student whose weight is 65 kg is replaced by a new student, what could be the weight of the new student ?

77
75
76
79

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 1 : 77

Given

The average weight of 8 students increased by 1.5 kg. If a student whose weight is 65 kg is replaced by a new student.

Concept used

Average

Calculation

The average weight of 8 students increased by 1.5 kg.

Sum = 8 × 1.5 = 12

New average = 12 + 65

Weight of new student = 77 kg.

5 views Answered 2022-09-04 04:29

Related Questions

The average weight of students of section A and B having 40 students each is 45.5 kg and 44.2 kg respectively. Two students of section A having average weight 48.75 kg were shifted to section B and 2 students of section B were shifted to section A, making the average weight of both the sections equal. What is the average weight (in kg) of the students who were shifted from section B to section A?

1 Answers 340 Views

The average weight of 20 students of a class is 60 kg. A student whose weight was 45 kg left the class and new student replaced the old one. Hence, the average weight of students increased by 1 kg. Find the ratio of old and new student's weight.?

1 Answers 4 Views

The average weight of 20 students of class XII is 45 kg. If the one student whose weight is 40 kg left the class and 2 new students are added due to this the average weight of the class is increased by 1 kg, then find the average weight of 2 new students.?

1 Answers 5 Views

The average weight of 20 students of class XII is 45 kg. If the one student whose weight is 40 kg left the class and 2 new students are added due to this the average weight of class increased by 1 kg, then find the average weight of 2 new students. ?

1 Answers 4 Views

The average weight of students in a class was 60.5 kg. When 8 students, whose average weight was 65 kg, joined the class, then the average weight of all the students increased by 0.9 kg. The total number of students now in the class is:?

1 Answers 6 Views

Average weight of 12 students is increased by 1 kg when one of the students whose weight is 40 kg replaced by a new student. What is the weight of new student?

1 Answers 4 Views

Quantity I: The average age of a cricket team of 11 players is x years. After three years, four players leave the team and four new players join in place of them then the current average age becomes (x + 2) years. The current average age of the players who left the team was 18 years then find the average of the current age of the 4 new joiners Quantity II: In a group of 6 students, the average age of the 5 youngest students is 12 years and the average age of the 5 oldest students is 15 years. What is the average age of all the students (it is given that the age of them is in arithmetic progression)?

1 Answers 5 Views

Questions below followed by three quantities. Find the relationship between them. Quantity I: In a class with a certain number of students if a teacher weighing 78 kg is added, then average weight of class is increased by 2 kg. If one more teacher weighing 66 kg is added, then the average weight of the class increases by 3.5 kg over the original average. What is the original average weight (in kg) of the class Quantity II: The average age of 16 students and their teacher's age is 16 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age Quantity III: Average weight of three friends A, B and C is 46 kg. Another person D joins the group and now the average is 45 kg. If another person E whose weight is 6 kg more than D, joins the group replacing A, then average weight of B, C, D and E becomes 47 kg. What is the weight of A (in kg)?

1 Answers 9 Views

The average marks of a class of 30 students are 52. One student whose marks are 82 left the class and two new students joined the class. The average of the class remains the same and the difference between the marks of new students is 4. What will be the marks of the student who scored greater marks between the two new students?

1 Answers 4 Views

The average weight of some students in a class was 60.5 kg. When 8 students, whose average weight was 65 kg. Joined the class, then the average weight of all the students increased by 0.9kg. The number of students in the class, initially, was:?

1 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)