1.

Question : Match the following Columns.

Answer»

`{:("A","B","C","D"),(2,1,4,3):}`
`{:("A","B","C","D"),(3,4,1,2):}`
`{:("A","B","C","D"),(1,2,3,4):}`
`{:("A","B","C","D"),(2,3,4,1):}`

ANSWER :A


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