Q. 194.9( 7 Votes )

# Number of binary operations on the set {a, b} are

A. 10

B. 16

C. 20

D. 8

Answer :

A binary option * on {a, b} is a function from

{a, b} × {a, b} → {a, b}

i.e.y

Therefore, the total number of binary operations on the set {a, b} is 2^{4} that is 16.

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