Combinatories

1:

Suppose a licence plate contains two letters followed by three digits with the first digit not zero. How many different licence plates can be pinted?

A.

608000

B.

608200

C.

608400

D.

608600

 

Answer : C

Explanation :

Each letter can be printed in twenty-six diferent ways, the first digit in nine ways and each of the other two digits in ten ways. Hence 26 x 26 x 9 x 10 x 10 = 608400 different plates can be printed.

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Option: A

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