Page 27 - Math Booklet Prep1first part1_Neat
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Example (1)
•Let A={1,2,3,4}A
•2 ? A (2 belongs to A)
•5 ? A (5 does not belong to A)
•If B={x,y,z} we can say that:
•X ? B (x belongs to B)
•W ? B (w does not belong to B)
Example (2)
Put the suitable symbol ( ? , ? ) :-
a) 1 …?……..{1 , 5 , 12 }
b)15 …?….. {1 , 5, 12 }
c) 3 ……? … { 2 , 20 , 33 , 44 }
d)7 ……? …. The set of days of the week.
e)5 ……?….. The set of odd numbers
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