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Question

If '1' is added to all the even digits in the number '6748932457', then how many number pairs of digits are there in the new number which has as many digits between them in the number (both forward and backward) as in the number series?

A Seven Correct Answer Incorrect Answer
B Five Correct Answer Incorrect Answer
C Six Correct Answer Incorrect Answer
D More than six Correct Answer Incorrect Answer

Solution

6              7              4              8              9              3              2              4              5              7 7              7              5              9              9              3              3              5              5              7 Forward – 79, 35, 37, 57 Backward – 59, 59, 37, 57

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