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If 1 is added to each even digit and 2 is subtracted from each odd digit in the number 45392276, then the sum of digits which are 2nd and 6th from left and right respectively ____.

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RRB Office Assistant 19 Sep 2020 Prelims Memory Based Paper Shift 1
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  1. 11
  2. 8
  3. 4
  4. 6
  5. 13

Answer (Detailed Solution Below)

Option 3 : 4
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Detailed Solution

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Given number: 45392276
Even digits: 4, 2, 2, 6
Odd digits: 5, 3, 9, 7
1 is added to each even digit: 5, 3, 3, 7
2 is subtracted from each odd digit: 3, 1, 7, 5
New number: 53173357
Left side 53173357 Right side
2nd number from left: 3
6th number from right: 1
Their sum is: 3 + 1 = 4.
Hence, 4 is the correct answer.
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