In a survey of 100 persons it was sound that 28 read magazine A, 30 readmagazine B, 42 read magazine C, 8 read magazines A & B, 10 read magazine A & C and 5 read magazine B&C and 3 read all the three. Find how many read none of three magazines?

In a survey of 60 persons, it is found that 25 read newspaper H, 26 read T, 26 read I, 9 read H and I, 11 and H and T,8 read T and I and 3 read all three newspaper. Find : (a) No. of persons who read atleast one newspaper. (b) No. of persons who read exactly one newspaper.

In a survey of 60 people, it was found that 25 people read newspaper H. 26 read newspaper T, 26 read newspaper 1, 9 read both H and I. 11 read both H and T, 8 read both T and I, 3 read all three newspapers. Find: (i) the number of people who read at least one of the newspapers. (ii) the number of people who read exactly one newspaper

In a city, three daily newspapers A,B,C are published. 42% of the people in that city read A, 51% read B and 68% read C. 30% read A and B, 28% read B and C , 36% read A and C. 8% do not read any of the three newspapers. The percentage of persons who read all the three papers is

In a school, 21 student read Maths, 26 reads Physics and 29 read Chemistry. If 14 students read Maths and Physics, 15 read Physics and Chemistry, 12 read Chemisry and Maths and 8 read all three subjects, then find the total students in the school.

All the people in a locality read the daily newspaper Indian Express or Hindustan Times or both If 120 read Indian Express and 150 read Hindustan Times and 36 read both , find , how many people are there in the locality.

All the people in a locality read the daily newspaper Indian Express or Hindustan Times or both If 120 read Indian Express and 150 read Hindustan Times and 36 read both , find , how many people read only Indian Express.

A student a pages day for d day and then reads b page per day for 2d days . In terms of a,b,and d , how many pages did the student read ?

In a certain city of 15000 families, 3.5% of families who read A but not B look into advertisements, 25% of the families who read B but not A look into advertisements and 50% of the families, who read both A and B look into advertisements. It is known that 8000 families read A, 4000 read B and 1000 read both A and B. The number of families who read none of the newspaper are

Cells of emfs 10V and 20V are connected as shown. When an ammeter is connected across A and B its reads 1A, when connected across B and C it reads 5, when connected across A and C it reads 3A, find the resistance of the ammeter (in Omega )

Times, Mirror and Sun are three newspapers All readers of the Times read the Sun. Every person either reads the Sun or does not read the Mirror. 11 people read the Sun but does not read the Mirror. 8 people read either the Times or the Mirror but not both. 10 people read the Sun and either read the Mirror or do not read the Times. 14 people either read the Sun and not the Mirror or read both the Sun and Mirror. 9 people neither read the Times nor the Mirror. no. of people who read only none of them