Asked by Gayathri
                How many 4 digit numbers abcd exist such that a is odd, b is divisible by 3, c is even, and d is prime?
            
            
        Answers
                    Answered by
            Reiny
            
    'a' is odd, 5 choices
'b' is divisible by 3, 3 choices
'c' is even , 4 choices
'd' is prime, 4 choices.
So what is 5x3x4x4 ?
    
'b' is divisible by 3, 3 choices
'c' is even , 4 choices
'd' is prime, 4 choices.
So what is 5x3x4x4 ?
                    Answered by
            Anonymous
            
    Poli
    
                    Answered by
            Anonymous
            
    The answer is 5×4×5×4=400
Since a={1,3,5,7,9}
B={0,3,6,9}
C={0,2,4,6,8}
D={2,3,5,7}
    
Since a={1,3,5,7,9}
B={0,3,6,9}
C={0,2,4,6,8}
D={2,3,5,7}
                    Answered by
            i don't know
            
    The answer is 400
    
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