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A 6-digit number is formed by repeating ...

A 6-digit number is formed by repeating a 3-digit number: for example, 256256 or 678678 etc. Any number of this form is always exactly divisible by 7 only (b) 11 only (c) 13 only (d) 1001

A

7 only

B

11 only

C

13 only

D

1001

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The correct Answer is:
D
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