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If ab + 4 = cd and ba + 40 = dc, where a...

If `ab + 4 = cd and ba + 40 = dc`, where ab, cd, ba and dc are the two digit prime numbers. Further b and d are the prime number digits and a,c are neither prime nor composite. The value of `((ab + ba))/((ca + dc))` is:

A

1

B

44228

C

2

D

can't be determined

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The correct Answer is:
B
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