If 1 is added to each odd digit and 1 is subtracted…
If 1 is added to each odd digit and 1 is subtracted from each even digit of the number 7873262, then what will be the sum of the third digit and the fourth digit from the left in the new number thus formed?
यदि संख्या 7873262 के प्रत्येक विषम अंक में 1 जोड़ दिया जाए तथा प्रत्येक सम अंक में से 1 घटा दिया जाए, तो बनने वाली नई संख्या में बाएँ से तीसरे और चौथे अंक का योग क्या होगा?
Detailed Solution & Logic
Correct Answer:
12
Transform each digit:
- 7 → 8
- 8 → 7
- 7 → 8
- 3 → 4
- 2 → 1
- 6 → 5
- 2 → 1
New number = 8784151
The 3rd digit = 8
The 4th digit = 4
Sum = 8 + 4 = 12
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