Math Help!!!

How many 3 letter sequences can be formed if the first letter must always be a consonant (not a, e, i, o, u), the second letter must always be a vowel (a,e,i,o,u) and 3rd letter must be different from the first.
A. 2100
B. 4056
C. 3250
D. 2625

I chose A... i guessed

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  1. I chose A...i guessed. Its really hard

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  2. I don't know

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  3. it actully 3250

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