The following questions are based on the given 3-digit numbers.
821 547 452 935 368
If '2' is added to the second digit of all even numbers and '3' is subtracted from the first digit of all odd numbers, in how many numbers thus formed will a digit appear twice ?
Series : 821 547 452 935 368
If '2' is added to the second digit of all even numbers and '3' is subtracted from the first digit of all odd numbers, new numbers :
821 -> 521
547 -> 247
452 -> 472
935 -> 635
368 -> 388
Thus, only in the last number, 8 appears twice.
=> Ans - (E)
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