World's only instant tutoring platform
dropdown-logo
Become a tutorPartnershipsAbout usStudent loginTutor login
About us
Login
App StorePlay Store
Get 2 FREE Instant-Explanations on Filo with code FILOAPP
The average marks of boys in a class is 52 and that of girls i
Question

The average marks of boys in a class is 52 and that of girls is 42. The average marks of boys and girls combined is 50. The percentage of boys in the class is

Views

Views: 769 students

tutor 0tutor 1tutor 2
Found 4 tutors discussing this question
Samuel Discussed
The average marks of boys in a class is 52 and that of girls is 42. The average marks of boys and girls combined is 50. The percentage of boys in the class is
8 mins ago
Discuss this question LIVE
8 mins ago
Video Solution

Filo tutor solution

Learn from their 1-to-1 discussion with Filo tutors.

Solution Available
Generate FREE solution for this question from our expert tutors in next 60 seconds
Don't let anything interrupt your homework or exam prep with world’s only instant-tutoring, available 24x7

Practice questions from similar books

Question 1
In a class of 100 students, there are 70 boys whose average marks in a subject is 75. If the average marks of the complete class is 72, then what is the average of the girls ?

View solution

Question 2
Let r be the range and be the SD of a set of observations , then

View solution

Question 3
Calculate the media from the following frequency distribution:

View solution

Question 4
The standard deviation of 25 numbers is 40. If each of the numbers in increased by 5, then the new standard deviation will be

View solution

filo Logo
Question Text
The average marks of boys in a class is 52 and that of girls is 42. The average marks of boys and girls combined is 50. The percentage of boys in the class is