1.

Let A={1,2, 3, 4} and B={a, b, c}. Which of the following is a relation from A to B.

Answer»

`{(1, b), (1,c), (3, a), (4, b)}`
`{(1, a), (b, 4), (c, 3)}`
`{(1, a), (a, 1), (2, b), (b, 2)}`
`{(a, 4), (b, 3), (c, 2)}`

ANSWER :A


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