A teacher at a coding workshop introduces a playful encryption method to her students: “Replace each letter of a word with the letter that appears at the same position from the end of the English alphabet (i.e., A ↔ Z, B ↔ Y, C ↔ X, etc.).” Using this encryption method, what is the code for the word "SCHOOL"?
(a) HXLSLO
(b) SXHLLO
(c) HXSOOL
(d) HXSLLO

Question

A teacher at a coding workshop introduces a playful encryption method to her students: &ldquo;Replace each letter of a word with the letter that appears at the same position from the end of the English alphabet (i.e., A &harr; Z, B &harr; Y, C &harr; X, etc.).&rdquo; Using this encryption method, what is the code for the word "SCHOOL"?
(a) HXLSLO
(b) SXHLLO
(c) HXSOOL
(d) HXSLLO

ONLiNE UPSC · Accepted Answer

Apply the reverse-alphabet substitution:

	
		
		
	
	
		
			Letter
			Reversed
		
		
			S
			H
		
		
			C
			X
		
		
			H
			S
		
		
			O
			L
		
		
			O
			L
		
		
			L
			O
		
	


So, SCHOOL &rarr; HXSLLO

Hence, option d is correct.

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E Question 1	⏱ 0
A teacher at a coding workshop introduces a playful encryption method to her students: “Replace each letter of a word with the letter that appears at the same position from the end of the English alphabet (i.e., A ↔ Z, B ↔ Y, C ↔ X, etc.).” Using this encryption method, what is the code for the word "SCHOOL"? (a) HXLSLO (b) SXHLLO (c) HXSOOL (d) HXSLLO