Home
Class 11
MATHS
Out of a group of 200 students (who know...

Out of a group of 200 students (who know at least one language), 100 students know English , 80 students know Kannada, 70 students know . Hindi . If 40 students know all the three languages . Find the number of students who know exactly two languages.

Text Solution

Verified by Experts

The correct Answer is:
writing `n€ = 90`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PUE WEBSITE MODEL QUESTION PAPER - 8

    SUBHASH PUBLICATION|Exercise Part-D|10 Videos

  • PUE WEBSITE MODEL QUESTION PAPER - 8

    SUBHASH PUBLICATION|Exercise Part-E|4 Videos

  • PUE WEBSITE MODEL QUESTION PAPER - 8

    SUBHASH PUBLICATION|Exercise Part -B|14 Videos

  • PU EDU.DEPT.MODEL QUESTION PAPER (WITH ANSWERS)

    SUBHASH PUBLICATION|Exercise PART - E ( V. Answer any ONE questions)|8 Videos

  • RELATIONS AND FUNCTIONS

    SUBHASH PUBLICATION|Exercise FIVE MARKS QUESTIONS WITH ANSWERS|8 Videos

Similar Questions

Explore conceptually related problems

In a group of students , 100 students know Hindi , 50 know English and 25 know both . Each of the students know either Hindi or English . How many students are there in the group ?

In a group of students, 100 students know Hindi, 50 know English and 25 know both. Each of the students knows either Hindi or English. How many students are there in the group?

In a class of 40 students 30 play cricket and 18 play hockey. If the students plays either circket or hockey find the number of students who paly Hockey only.

Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game,find the ratio of ( c) Number of students who opted bsketball to the total number of students.

Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game,find the ratio of (a) Number of students who opted basketball to the number of students who opted table tennis.

In a class of 55 students, the number of students studying different subjects are 23 in Mathematics, 24 in Physics, 19 in Chemistry, 12 in Mathematics and Physics, 9 in Mathematics and Chemistry, 7 in Physics and Chemistry and 4 in all the three subjects. Find the number of students who have taken exactly one subject.

Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game,find the ratio of (b) Number of students who opted cricket to the number of students opting basketball.

In a survey of population of 450 people, it is found that 205 can speak English, 210 can speak Hindi and 120 people can speak Tamil. If 100 people can speak both Hindi and English, 80 people can speak both English and Tamil, 35 people can speak Hindi and Tamil and 20 people can speak all the three languages, find the number of people who can speak English but not a Hindi or Tamil. Find also the number of people who can speak neither English nor Hindi nor Tamil.

In a survey of 200 students of a school, it was found that 120 study Mathematics, 90 study Physics and 70 study Chemistry , 40 study Mathematics and Physics, 30 study Physics and Chemistry, 50 study Chemistry and Mathematics and 20 none of these subjects. Find the number of students who study all the three subjects.

A class has 175 students. The following table shows the number of students studying one or more of the following subjects in this case. How many students are enrolled in Mathematics alone, Physics alone and Chemistry alone? Are there students who have not offered any one of these subjects?

Home
Profile