Which of the following sets is a joint set( overlapping set) ?
(a) A= {a ,b, c} ; B={ e, f, g}
(b) C= {1 ,3, 7} ;D ={ 2, 4, 6}
(c) E= Set of odd natural numbers; F= Set of even natural numbers
(d)G= Set of prime numbers; H = Set of even numbers
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(i) A={1,2,3,4}
B={x:x is a natural number and 4≤x≤6}={4,5,6}
Now, A∩B={1,2,3,4}∩{4,5,6}={4}
Therefore, this pair of sets are not disjoint.
(ii) A={a,e,i,o,u}
B={c,d,e,f}
A∩B={e}
Therefore, this pair of sets are not disjoint.
(iii) A={x:x is an even integer}
B={x:xis an odd integer}
A∩B=ϕ
Therefore, this pair of sets is disjoint.
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