Question 210

If two is subtracted from each odd digit and three is added to each even digit in the number 3675249 how many digits will appear twice in the new number thus formed ?

Solution

Number = '3675249'

If two is subtracted from each odd digit and three is added to each even digit in the number,

New number = 1953577

Thus, 2 digits appear twice in the number i.e. '5' and '7'

=> Ans - (C)

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