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If 2 is added to each even digit and 2 is added to each odd digit in the number 6345127, what will be the sum of the last two and first two digits in
Question

If 2 is added to each even digit and 2 is added to each odd digit in the number 6345127, what will be the sum of the last two and first two digits in the new number thus formed?

A.

28

B.

22

C.

26

D.

24

Correct option is C

Given: 6345127
Add 2 to each even digit
Add 2 to each odd digit
Modify each digit:
Digit
Type
New Digit
6
Even
6 + 2 = 8
3
Odd
3 + 2 = 5
4
Even
4 + 2 = 6
5
Odd
5 + 2 = 7
1
Odd
1 + 2 = 3
2
Even
2 + 2 = 4
7
Odd
7 + 2 = 9
New number → 8567349
First two → 8, 5
Last two → 4, 9
Step 3: Find the sum
8 + 5 + 4 + 9 = 26
So, 26 will be the sum of the last two and first two digits in the new number thus formed.
Thus, correct option is (c).

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