If each of the odd digits in the number 8463247 is increased by ‘1’ and each of the even digits is decreased by ‘1’, then which of the following will be the sum of the digits of the number?
- AOption (a)
32
- BOption (b)
31
- COption (c)
28
- DOption (d)
29
- EOption (e)
30
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Correct answer
31
Why this answer is correct
Given number**:** 8463247
After changing as per the question, the number becomes: 7354138
So, the sum of digits of the number is = 7 + 3 + 5 + 4 + 1 + 3 + 8 = 31.
Hence, 31 is the correct ans.