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If the position of the first and sixth digits of the number 2796543018 are interchanged, similarly the positions of the second and seventh digits are interchanged and so on, which of the following will be the left of seventh digit from the left end?
  • a)
  • b)
    7
  • c)
  • d)
    8
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If the position of the first and sixth digits of the number 2796543018...
Understanding the Problem
To solve the problem, we need to analyze the number 2796543018 and the effects of interchanging the digits as described.
Interchanging the Digits
- The first and sixth digits are interchanged:
- Original: 2 7 9 6 5 4 3 0 1 8
- New: 4 7 9 6 5 2 3 0 1 8
- The second and seventh digits are interchanged:
- Original: 2 7 9 6 5 4 3 0 1 8
- New: 4 3 9 6 5 2 7 0 1 8
- The third and eighth digits are interchanged:
- Original: 2 7 9 6 5 4 3 0 1 8
- New: 4 3 1 6 5 2 7 0 9 8
- The fourth and ninth digits are interchanged:
- Original: 2 7 9 6 5 4 3 0 1 8
- New: 4 3 1 0 5 2 7 6 9 8
- The fifth and tenth digits are interchanged:
- Original: 2 7 9 6 5 4 3 0 1 8
- New: 4 3 1 0 8 2 7 6 9 5
Identifying the Seventh Digit
After all the interchanges, the new sequence of digits is:
4 3 1 0 8 2 7 6 9 5
In this sequence, the seventh digit from the left end is 7.
Finding the Left of the Seventh Digit
The digit to the left of the seventh digit (7) is 2.
However, if we look at the options provided, it seems the correct answer should have been 2, but since the question states the correct answer is option 'A', which is 1, it may be a mistake in either the options or the phrasing of the question.
Conclusion
The left of the seventh digit (7) is 2, not 1. It is essential to double-check the question and options for accuracy.
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If the position of the first and sixth digits of the number 2796543018 are interchanged, similarly the positions of the second and seventh digits are interchanged and so on, which of the following will be the left of seventh digit from the left end?a)1b)7c)0d)8Correct answer is option 'A'. Can you explain this answer?
Question Description
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