# Recent questions tagged venn-diagrams 1 vote
1
A gathering of $50$ linguists discovered that $4$ knew Kannada$,$ Telugu and Tamil$,$ $7$ knew only Telugu and Tamil $,$ $5$ knew only Kannada and Tamil $,$ $6$ knew only Telugu and Kannada$.$ If the number of linguists who knew Tamil is $24$ and those who knew Kannada is also $24,$ how many linguists knew only Telugu$?$ $9$ $10$ $11$ $8$
2
In a sports academy of $300$ peoples, $105$ play only cricket, $70$ play only hockey, $50$ play only football, $25$ play both cricket and hockey, $15$ play both hockey and football and $30$ play both cricket and football. The rest of them play all three sports. What is the percentage of people who play at least two sports? $23.30$ $25.00$ $28.00$ $50.00$
3
In the given diagram, teachers are represented in the triangle, researchers in the circle and administrators in the rectangle. Out of the total number of the people, the percentage of administrators shall be in the range of _______ $0$ to $15$ $16$ to $30$ $31$ to $45$ $46$ to $60$
4
In a college, there are three student clubs, $60$ students are only in the Drama club, $80$ students are only in the Dance club, $30$ students are only in Maths club, $40$ students are in both Drama and Dance clubs, $12$ ... the college are not in any of these clubs, then the total number of students in the college is _____. $1000$ $975$ $900$ $225$
1 vote
5
Forty students watched films A, B and C over a week. Each student watched either only one film or all three. Thirteen students watched film A, sixteen students watched film B and nineteen students watched film C. How many students watched all three films? 0 2 4 8
6
$500$ students are taking one or more course out of Chemistry, Physics, and Mathematics. Registration records indicate course enrollment as follows: Chemistry $(329)$, Physics $(186)$, and Mathematics $(295)$. Chemistry and Physics $(83)$, Chemistry and Mathematics $(217)$, and Physics and Mathematics (63). How many students are taking all $3$ subjects? $37$ $43$ $47$ $53$
1 vote
7
In the given two diagrams one from made easy and another from KLP Mishra book. (1) in this diagram, type 3 or regular language and its related automata is Finite Automaton. (2) in this diagram, Finite Automaton is both for Regular or type3 and Context- ... is connected with context-free box. (1) Diagram (2) Diagram So what is the correct relations among languages and the corresponding automata?
8
The Venn diagram shows the preference of the student population for leisure activities. From the data given, the number of students who like to read books or play sports is _______. $44$ $51$ $79$ $108$
9
at a high school science fair, 34 students received awards for scientific project.14 awards were given for projects in biology,13 in chemistry,21 in physics, and 3 students received awards in all 3 subjects areas 1.how many received awards for exactly two subject areas? 2.how many received awards for exactly one subject area?
10
In a class of $300$ students in an M.Tech programme, each student is required to take at least one subject from the following three: M600: Advanced Engineering Mathematics C600: Computational Methods for Engineers E600: Experimental Techniques for Engineers The registration data for the ... possible number of students in the class who have taken all the above three subjects? $20$ $30$ $40$ $50$
11
There are $16$ teachers who can teach Thermodynamics $\text{(TD)}$, $11$ who can teach Electrical Sciences $\text{(ES)}$, and $5$ who can teach both $\text{TD}$ and Engineering Mechanics $\text{(EM)}$. There are a total of $40$ teachers. $6$ ... and $\text{TD}$. How many can teach both $\text{ES}$ and $\text{EM}$ but not $\text{TD}$? $1$ $2$ $3$ $4$
Among $150$ faculty members in an institute, $55$ are connected with each other through Facebook and $85$ are connected through Whatsapp. $30$ faculty members do not have Facebook or Whatsapp accounts. The numbers of faculty members connected only through Facebook accounts is _______. $35$ $45$ $65$ $90$
$25$ persons are in a room. $15$ of them play hockey, $17$ of them play football and $10$ of them play both hockey and football. Then the number of persons playing neither hockey nor football is: $2$ $17$ $13$ $3$