Question:
If in a certain code, `Clever` is written as `XOVEVI`, then `Smart` would be written as
If in a certain code, `Clever` is written as `XOVEVI`, then `Smart` would be written as
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When one example perfectly fits the Atbash mapping (A↔Z, B↔Y, ..., M↔N), apply it directly to the target word.
Updated On: Jul 15, 2026
- HZNGI
- HNZIG
- GHNGI
- GIHZN
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The Correct Option is B
Approach Solution - 1
Step 1: Detect the coding rule
C $\to$ X, L $\to$ O, E $\to$ V, V $\to$ E, E $\to$ V, R $\to$ I.
This is the Atbash (mirror) cipher: each letter maps to its mirror with respect to A–Z (A↔Z, B↔Y, ..., M↔N).
Step 2: Apply the rule to "SMART"
S→H,\; M→N,\; A→Z,\; R→I,\; T→G
Therefore, SMART → HNZIG.
C $\to$ X, L $\to$ O, E $\to$ V, V $\to$ E, E $\to$ V, R $\to$ I.
This is the Atbash (mirror) cipher: each letter maps to its mirror with respect to A–Z (A↔Z, B↔Y, ..., M↔N).
Step 2: Apply the rule to "SMART"
S→H,\; M→N,\; A→Z,\; R→I,\; T→G
Therefore, SMART → HNZIG.
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Approach Solution -2
This question hides a simple substitution: each letter of CLEVER has been swapped for its mirror-image letter in the alphabet, the letter the same number of steps from the end as the original is from the start (A pairs with Z, B with Y, and so on). Checking this against CLEVER becoming XOVEVI confirms it: C pairs with X, L pairs with O, E pairs with V, V pairs with E, E pairs with V, and R pairs with I, all consistent mirror pairs.
Writing out the full mirror-pairing table makes it easy to encode any word: A-Z, B-Y, C-X, D-W, E-V, F-U, G-T, H-S, I-R, J-Q, K-P, L-O, M-N, and the same pairs read the other way. Applying this table to each letter of SMART: S pairs with H, M pairs with N, A pairs with Z, R pairs with I, and T pairs with G. Reading these off in order gives H, N, Z, I, G.
- HZNGI: The letters used are correct individually, but they are out of order (the mirror of M should sit in the second position, not the third, and so on), so this does not follow the sequence of SMART correctly.
- HNZIG: Reading off the mirror pairs for S, M, A, R, T in that exact order gives H, N, Z, I, G, which matches this option exactly.
- GHNGI: This starts with G, but the mirror pair of S is H, not G, and G duplicates incorrectly later in the string, so this does not follow the pairing table.
- GIHZN: This uses similar letters but arranges them in the wrong order and starts from the wrong end, so it does not track the letter-by-letter order of SMART.
Following the mirror-pairing table letter by letter for S, M, A, R, T, in that order gives HNZIG.
Therefore, the correct answer is HNZIG.
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Approach Solution -3
This code swaps each letter for the one the same number of steps from the opposite end of the alphabet, so imagine one pointer starting at A and moving forward while a second pointer starts at Z and moves backward at the same pace; whatever letter the first pointer reaches, the second pointer marks its code. Checking this against the given example, Clever becomes XOVEVI: moving both pointers together, C (3rd from the front) lines up with X (3rd from the back), L (12th from front) lines up with O (12th from back), E (5th from front) lines up with V (5th from back), and R (18th from front) lines up with I (18th from back). The pairing holds for every letter, confirming the two-pointer idea.
Applying the same two moving pointers to SMART: S is the 19th letter from the front, so its pair is the 19th letter counting back from Z, which lands on H. M is the 13th from the front, pairing with the 13th from the back, N. A is the 1st from the front, pairing with the 1st from the back, Z. R is the 18th from the front, pairing with the 18th from the back, I. T is the 20th from the front, pairing with the 20th from the back, G. Reading these off in the order S, M, A, R, T gives H, N, Z, I, G.
- HZNGI: The individual letters H, N, Z, I, G are all correctly paired, but here they are shuffled out of the S-M-A-R-T order, with N and Z swapped in position, so the sequence does not track the two pointers correctly.
- HNZIG: Reading off the pointer pairing for S, M, A, R, T strictly in that order gives H, N, Z, I, G, matching this option exactly.
- GHNGI: G is the pointer-pair for T, not S, so starting the string with G already breaks the front-to-back pointer correspondence for the first letter.
- GIHZN: This reads the pointer pairs in reverse order, starting from T's pair and working backward to S's pair, rather than following S-M-A-R-T from the front.
Tracking two pointers moving inward from opposite ends of the alphabet together confirms SMART is coded as HNZIG.
Therefore, the correct answer is HNZIG.
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