Home
Class 9
MATHS
In a school of 4000 students, 2000 know ...

In a school of 4000 students, 2000 know French, 3000 know Tamil and 500 know Hindi, 1500 know French and Tamil, 300 know French and Hindi, 200 know Tamil and Hindi and 50 know all the three languages.
(i) How many of them do not know any of the three languages?
(ii) How many know atleast one language
(iii) How many know only two languages.

Text Solution

Verified by Experts

The correct Answer is:
(i) 450 (ii) 3550 (iii) 1850
Promotional Banner

Topper's Solved these Questions

  • SET LANGUAGE

    FULL MARKS|Exercise Assignment (II. Choose the correct answer)|5 Videos

  • REAL NUMBERS

    FULL MARKS|Exercise Text Book Activity (Activity 3:)|1 Videos

  • STATISTICS

    FULL MARKS|Exercise Assignment (Answer the following question)|10 Videos

Similar Questions

Explore conceptually related problems

In a committee, 50 people speak French and 20 speak Spanish and 10 speak both French and Spanish. How many people speak atleast one of these two languages?

In a group of 50 students, the number of students learning - French, English, Sanskrit were found to be as follows: French = 17, English = 13, Sanskrit = 15, French and English = 09, English and Sanskrit = 4, French and Sanskrit = 5, English, French and Sanskrit = 3. Find the number of students who are learning at? French only (ii) English only (iii) Sanskrit only (iv) English and Sanskrit but not French (v) French and Sanskrit but not English (vi) French and English but not Sanskrit (vii) at least one of the three languages (viii) none of the three languages (ix) exactly one language (X) exactly two languages

In a suvey of 5000 persons in a town, it was found that 45% of the persons know language A, 25% know language B, 10% know language C, 5% know languages A and B, 4% know Languages B and C, and 4% know languages A and C. if 3% of the persons know all the three Languages find the number of persons who knows only Language A.

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 survey of 5000 persons in a town, it was found that 45% of the persons know Languages A, 25% know language, B, 10% know language C, 5% know languages A and B, 4% know languages B and C, and 4% know Language A and C. If 3% of the persons know and the three Languages, find the number of persons who knows only Languages A.

In a group of 500 people, 350 speak Hindi and 300 speak English. It is given that each person speaks at least one language. (i) How many people can speak both Hindi and English? (ii) How many people can speak Hindi only? (iii) How many people can speak English only?

In a committee, 50 people speak French, 20 speak Spanish and 10 speak both Spanish and French. How many speak at least one of these two languages?

Out of 100 students, 15 passed in English, 12 passed in Mathmatics, 8 in Science, 6 in English and Mathematics, 7 in Mathematics and Science , 4 in English and Science, 4 in all the three. Find how many passed (i) in English and Mathematics but not in Science. (ii) in Mathematics and Science but not in English. (iii) in Mathematics only. (iv) in more than one subject only.