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Quantitative Aptitude

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Permutation, Combination & Probability

Question
14 out of 20
 

There are 6 items in column A and 6 items in column B. A student is asked to match each item in column A with an item in column B. How many possible (correct or incorrect) answers are there to this question?



A 720
B 450
C 6 6
D 200
E None of These

Ans. A 1st column be match with 6 items

2nd column be match with 5 items

3rd column be match with 4 items

4th column be match with 3 items

5th column be match with 2 items

6th column be match with 1 items

So total = 6x5x4x3x2x1 = 720

Permutation, Combination & Probability Flashcard List

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