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If 9 xx 5 xx 2=529 and 4 xx 7 xx 2=724, ...

If `9 xx 5 xx 2=529` and `4 xx 7 xx 2=724`, then `3 xx 9xx8`=?

A

(a) 983

B

(b) 839

C

(c) 938

D

(d) 893

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