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If A and B are divided by D, then the re...

If A and B are divided by D, then the remainder obtained are 13 and 31 respectively where A, B, C are natural numbers. Further A + B is divided by the same divisor D the remainder is 4, then the divisor D is :

A

14

B

23

C

40

D

18

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The correct Answer is:
C
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