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If you have 6 New Year greeting cards and you want to send them to 4 of your friends, in how many ways can this be done?

720
360
240
740

Correct Answer: 360

Explanation:

We have to find number of permutations of 4 objects out of 6 objects.

This number is $6 P 4$ = 360

Therefore, cards can be sent in 360 ways.

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