Venn-Diagram
Question 1 |
A Class has 100 students with roll number from 101 to 200. All the even numbered students study Physics, whose roll number are divisible by 5 study Chemistry & students with roll numbers divisible by 7 study Biology. How many students do not study any of the given subject Physics, Chemistry or Biology?
35 | |
45 | |
51 | |
62 |
Question 1 Explanation:
Question 2 |
In an examination, 35% of the total students failed in Hindi, 45% failed in English and 20% in both. The percentage of those who passed in both subjects is
10 | |
20 | |
30 | |
40 |
Question 3 |
If two small circles represent the class of the ‘men’ and the class of the ‘plants’ and the big circle represents ‘mortality’, which one of the following figures represent the proposition ‘All men are mortal.’ ?
Question 3 Explanation:
Question 4 |
Select the code, which is not correct about Venn diagram:
Venn diagram represents propositions as well as classes. | |
It can provide clear method of notation. | |
It can be either valid or invalid. | |
It can provide the direct method of testing the validity. |
Question 4 Explanation:
Venn diagrams are valid.
Option ‘C’ is not correct statement.
Option ‘C’ is not correct statement.
Question 5 |
Which of the codes given below contains only the correct statements? Select the code:
Statements:
(a) Venn diagram represents the arguments graphically.
(b) Venn diagram can enhance our understanding.
(c) Venn diagram may be called valid or invalid.
(d) Venn diagram is clear method of notation.
Statements:
(a) Venn diagram represents the arguments graphically.
(b) Venn diagram can enhance our understanding.
(c) Venn diagram may be called valid or invalid.
(d) Venn diagram is clear method of notation.
(a), (c) and (d) | |
(a), (b) and (c) | |
(a), (b) and (d) | |
(b), (c) and (d) |
Question 5 Explanation:
Inductive reasoning gives knowledge of facts about the world.
Question 6 |
Given below is a diagram of three circles A, B & C inter-related with each of Indians. The circle B represents the class of scientists and circle C represents the class of politicians. p,q,r,s... represent different regions. Select the code containing the region that indicates the class of Indian scientists who are not politicians.
q and s only | |
s only | |
s and r only | |
p, q and s only |
Question 7 |
Yadav, Arjun, Rajesh and Kamal play cricket. Rajesh and Kamal play tennis but do not play football. Yadav does not play Badminton but play golf. Arjun does not play tennis. Kamal sometimes plays Badminton. Who does play only cricket ?
Yadav | |
Arjun | |
Rajesh | |
Kamal |