Question
If in the number '538567241', 2 is added to all odd
digits then how many pairs of digits are there in the new number which have as many digits between them both forward and backward as between them in the number series?Solution
5         3         8         5         6         7         2         4         1         7         5         8         7         6         9         2         4         3         So, there are six pairs '57', ’59, ‘79’, ‘34’, ‘67’ and ‘68’ in the new number which have as many digits between them (only forward) as between them in the number series.
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