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प्रश्न
Express the truth of each of the following statements by Venn diagram:
(a) Some hardworking students are obedient.
(b) No circles are polygons.
(c) All teachers are scholars and scholars are teachers.
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उत्तर
(a) Some hardworking students are obedient.
Let H: set of hardworking students
O: Set of obedient students
U: Set of all students
from Venn diagram the truth value is H ∩ O
(b) No circles are polygons.
Let C: Set of all circles
P: Set of all polygons
U:set of all closed figures
From Venn diagram the truth value is
C ∩ P= Φ
(c) All teachers are scholars and scholars are teachers.
Let T: Set of all teachers
S: Set of all scholars
U: Set of all human beings
From Venn diagram the truth value is T=S
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\[\left( A \cup D \right) \cap \left( B \cup C \right)\]
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\[B - A\]
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P = {a, b, c, e, f} Q = {l, m, n, e, b}
Express the truth of each of the following statements by Venn diagram :
(a) Some hardworking students are obedient.
(b) No circles are polygons.
(c) All teachers are scholars and scholars are teachers.
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(A ∪ B)'
Use the given Venn-diagram to find :
A
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(A ∪ B)'
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Using the given diagram, express the following sets in the terms of A and B. {a, d, c, f, g, h}
Using the given diagram, express the following sets in the terms of A and B. {a, d, g, h}
Using the given diagram, express the following sets in the terms of A and B. {g, h}
Draw a Venn diagram for the truth of the following statement.
Some share brokers are chartered accountants.
Express the truth of the following statement by the Venn diagram.
Some persons are not politician.
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Not all students study Mathematics, but every students studying English studies Mathematics.
