Question
If '2' is subtracted from each odd digit and '1' is
added to each even digit in the number ‘8745468783’, then how many such digits are there in the new number formed which appear more than once?Solution
8         7         4         5         4         6         8         7         8         3 9         5         5         3         5         7         9         5         9         1 The digits in the new number formed which are written more than once are ‘9 and 5’. So, two digits are there in the new number formed which appear more than once.
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