Question

if A={0,2,4,6},B={3,5,7}andC={p,q,r},then fill the appropriate symbol£or€in the blanks0......A
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Answer 1

Answer:

0€A

Step-by-step explanation:

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Answer 2

Answer:

45

Step-by-step explanation:

Number of elements in A=10

Number of subsets of A containing exactly two elements

= Number of ways we can select 2 elements from 10 elements

10

C

2

=

2

10×9

=45

∴ Number of subsets of A containing exactly two elements =45