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If the immediate insignificant digit to be dropped is 5 then there will be two different cases
(A If the preceding digit is even , it is to be unchanged and 5 is dropped.
(B) If the preceding digit is odd, it is to be raised by 1,

A

Only A is correct

B

A, B are correct

C

Only B is correct

D

A, B are wrong

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The correct Answer is:
B
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