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
In a class of 100 students, there are 70 boys whose average ma
Question

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 ?

Views

Views: 739 students

tutor 0tutor 1tutor 2
Found 5 tutors discussing this question
Mia Discussed
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 ?
12 mins ago
Discuss this question LIVE
12 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
One destination for complete JEE/NEET preparation
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
Instant 1:1 help, 24x7
60, 000+ Expert tutors
60, 000+ Expert tutors
Textbook solutions
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Big idea maths, McGraw-Hill Education etc
Essay review
Essay review
Get expert feedback on your essay
Get expert feedback on your essay
Schedule classes
Schedule classes
High dosage tutoring from Dedicated 3 experts
High dosage tutoring from Dedicated 3 experts
Trusted by 4 million+ students

Practice questions from similar books

Question 1
The variance of the data 2,4,6,8,10 is

View solution

Question 2
A company manufactures car batteries of a particular type. The lives (in years) of 40 such batteries were recorded as follows:

Construct a grouped frequency distribution table for this data, using class intervals of size starting from the interval .

View solution

Question 3
Consider the following distribution of daily wages of 50 workers of a factory:
Find the mean daily wages of the workers of the factory by using appropriate method.

View solution

Question 4
The standard deviation of the data 6,5,9,13,12,8,10 is

View solution

filo Logo
Doubt Icon Doubt Icon

Stuck on the question or explanation?

Connect with our maths tutors online and get step by step solution of this question.

231 students are taking LIVE classes
Question Text
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 ?