The mean weight of 120 students of a sch...

The mean weight of 120 students of a school is `52*75` kg. If the mean weight of 50 of them is 51 kg, find the mean weight of the remaining students.

Text Solution

Verified by Experts

The correct Answer is:

54 kg

Topper's Solved these Questions

MEAN AND MEDIAN
ICSE|Exercise Exercise 19(B) |16 Videos
MEAN AND MEDIAN
ICSE|Exercise Exercise 19(C) |36 Videos
MEAN AND MEDIAN
ICSE|Exercise Exercise 19(C) |36 Videos
LOGARITHMS
ICSE|Exercise EXERCISE 8(D)|22 Videos
MENSURATION (PLANE FIGURE)
ICSE|Exercise TOPIC-3 (4 Marks Questions)|8 Videos

Similar Questions

Explore conceptually related problems

The mean weigth of 30 students of a class is 60.2kg . Two students of weights of 50 kg and 67 kg left the class . Find the mean weight of the remaining students

The mean weight of 21 students is 21 kg. If a student weighing 21 kg is removed from the group, then the mean of the remaining students is (a) 20 kg (b) 21 kg (c) 19 kg (d) 18 kg

The mean weight of 60 students in a class is 40 kg. The mean weight of boys is 50 kg while that of girls is 30 kg. Find the number of boys and girls in the class.

Find the mean of 75 numbers, if the mean of 45 of them is 18 and the mean of the remaining ones is 13.

The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys is 70 kg and that of girls in the class is 55 kg. Find the number of boys and girls in the class.

The mean weight per student in a group of 7 students is 55 kg. The individual weights of 6 of them (in kg) are 52, 54, 53, 56 and 54. Find the weight of the seventh student.

The weights of 25 students of a class are given in the following table: Using short-cut method, find the mean weight.

A class of 50 students belonging to the Kindergraten is divided in two sections A and B , having students in the ratio 2:3 respectively. The average weight of the students of the entire calss is 40 Ibs. The average weight of the students of section A is 2 Ibs . less than that of the students B. What is the average weight of the students of section B ?

The weights of two bags are in the ratio 7:6. If the total weight of both bags in 91 kg, find the weight of each bag.

ICSE-MEAN AND MEDIAN-Exercise 19(A)

Find the mean of all factors of 10.
Text Solution
|
Find the mean of x+3,x+5,x+7,x+9 and x+11.
Text Solution
|
If different values of variable x are 9*8,5*4,3*7,1*7,1*8,2*6,2*8,8*6,...
Text Solution
|
If different values of variable x are 9*8,5*4,3*7,1*7,1*8,2*6,2*8,8*6,...
Text Solution
|
The mean of 15 observations is 32. Find the resulting mean, if each ob...
Text Solution
|
The mean of 15 observations is 32. Find the resulting mean, if each ob...
Text Solution
|
The mean of 15 observations is 32. Find the resulting mean, if each ob...
Text Solution
|
The mean of 15 observations is 32. Find the resulting mean, if each ob...
Text Solution
|
The mean of 15 observations is 32. Find the resulting mean, if each ob...
Text Solution
|
The mean of 15 observations is 32. Find the resulting mean, if each ob...
Text Solution
|
The mean of 5 numbers is 18. If one number is excluded, the mean of re...
Text Solution
|
If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find : the...
Text Solution
|
If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find : the ...
Text Solution
|
The mean of 100 observations is 40. It is found that an observation 53...
Text Solution
|
The mean of 200 items was 50. Later on, it was discovered that two ite...
Text Solution
|
Find the mean of 75 numbers, if the mean of 45 of them is 18 and the m...
Text Solution
|
The mean weight of 120 students of a school is 52*75 kg. If the mean w...
Text Solution
|
The mean marks (out of 100) of boys and girls in an examination are 70...
Text Solution
|
Find x, if 9,x,14,18,x,x,8,10 and 4 have a mean of 11.
Text Solution
|
In a series of tests, A appeared for 8 tests Each test was marked out ...
Text Solution
|