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Q)

How many automobile licence plates can be made if the inscription on each c

How many automobile licence plates can be made if the inscription on each contains two different english alphabets followed by four different digits except 0000

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A)
No of letters =2
There are 26 letters so,with no repetition
⇒ There can be 26*2526×2526×2650
⇒650
No of digits =4
There are 10 digits

Hence the no of digits with no repetitions

10*9*8*7

=5040

Total no of ways of making the plates =

650*5040=3276000
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