Mathematics · Permutations and Combinations
The word 'EXAMINATIONS' is written continuously repeated 10 times to form a long string of letters. In the first step, all letters at even positions are deleted. In the second step, letters at even positions among the remaining letters are deleted again. This process is repeated until only one letter is left. What is that letter?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1E✓
- 2I
- 3N
- 4M
Correct answer
E
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