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Quizzes > Personality & Relationships > Puzzles & Riddles

peach is to hcaep as 46251 is to? Take the Intelligence Quiz

Ready to crack this reverse pattern quiz? Challenge your skills now!

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
paper art puzzle design peach reversed to hcaep and numbers 46251 reversed on coral background logic pattern quiz

This Crack the Code quiz helps you practice pattern spotting with the prompt: peach is to hcaep as 46251 is to ____.

Find the missing number to check your logic and enjoy a quick brain warm-up. After you answer, try more logic puzzles or see tips if you want a hint.

Using the same pattern as peach ? hcaep, what does 46251 map to?
12645
51264
15264
46215
The encoding rule is simply a full reversal of the original sequence. By reading 46251 from end to start, you obtain 15264. This mirrors the pattern peach ? hcaep exactly. For more on this reversal technique, see .
If the word apple is encoded by reversing its letters, what is the code?
lppae
appel
elppa
pleap
Reversing each letter in apple yields elppa. This directly follows the simple reversal pattern shown by peach ? hcaep. No additional operations are applied. More on string reversal can be found at .
If 7531 maps to 1357 by arranging digits in ascending order, what does 8642 map to?
6824
2468
2846
4682
The rule here is sorting the digits from smallest to largest. 7531 becomes 1357, so applying the same rule to 8642 yields 2468. It is purely an ascending digit rearrangement. See for more details.
In the string reversal pattern, mirror maps to rorrim. What is the mirror code for code?
cdeo
odec
odce
edoc
The pattern simply reverses the entire word. 'code' read backwards is 'edoc'. This matches the example mirror ? rorrim. No other transformations are involved. Further reading on string reversal is available at .
If each odd digit is replaced by its corresponding letter in the sequence A(1), C(3), E(5), G(7), what does the code 1357 map to?
BDHG
ACEG
ACFG
ABCD
Each odd digit is mapped to the letter at the same numeric position in the alphabet: 1?A, 3?C, 5?E, 7?G. So 1357 becomes ACEG. This is a simple alphanumeric substitution (A1Z26). For more information, see .
If a message is encoded by shifting each letter forward by one and then reversing the result, what is the code for BEST?
TFCU
FTUC
UTFC
CUFT
First shift each letter of BEST forward by one: B?C, E?F, S?T, T?U resulting in CFTU. Then reverse this to get UTFC. This two-step method uses a simple Caesar shift followed by reversal. More on the Caesar cipher is at .
Following the right-rotation rule where the last digit moves to the front, what does 8796 map to?
6876
6879
9876
9687
Right-rotation takes the last digit (6) and moves it to the front, so 8796 becomes 6879. Each other digit shifts one position to the right. This is a cyclic permutation of the digits. See for more.
Applying the Atbash cipher where A?Z, B?Y, etc., what is the code for DOG?
WLT
TFW
WKR
VOS
In Atbash, each letter is mapped to its reverse in the alphabet: D?W, O?L, G?T giving WLT. No shifts or additional steps are used beyond this one-to-one mapping. More on Atbash can be found at .
Using a code that shifts each letter backward by two positions and then reverses the entire string, what is the code for STRING?
EQLGPR
LPGRQE
QRPGLE
ELGPRQ
First shift each letter of STRING back by two: S?Q, T?R, R?P, I?G, N?L, G?E producing QRPGLE. Then reverse it to get ELGPRQ. This combines a Caesar shift with reversal. See for shifting details.
In a numeric adjacency sum code, each digit is replaced by the sum of itself and its neighbor to the right (with the last digit pairing with the first), what is the code for 526?
7,8,11
7,7,8
5,8,11
11,7,8
Calculate adjacent sums: 5+2=7, 2+6=8, and 6+5=11, yielding 7,8,11. The last digit wraps around and sums with the first. This forms a cyclic adjacency sum code. More on cyclic sums is available at .
What is the binary representation of the decimal number 6?
100
101
111
110
In binary (base-2), the number 6 is represented as 110 because it equals 1×2² + 1×2¹ + 0×2?. Each binary digit corresponds to a power of two. For more details on binary numbering, see .
Using a Caesar cipher that shifts each letter forward by three positions, what does COLD encode to?
FRGO
GROF
GORF
FROG
With a +3 shift: C?F, O?R, L?O, D?G, so COLD becomes FROG. This is a straightforward Caesar cipher application. More on it at .
Using a two-rail rail fence cipher, text is written in a zigzag on two lines and then read row by row. What is the cipher for WORLD?
WRDOL
WDRLO
WRLOD
WROLD
With two rails, place letters in zigzag: first rail takes positions 1,3,5 yielding W,R,D; second rail positions 2,4 yield O,L. Reading row by row gives WRDOL. See for details.
Using the Vigenère cipher with key KEY, what is the cipher text for TEST?
DLCQ
TIXL
DIQD
DIQE
Apply Vigenère shifts: T+K (19+10)=29?3 (D), E+E (4+4)=8 (I), S+Y (18+24)=42?16 (Q), T+K=29?3 (D). This yields DIQD. For an in-depth guide, see .
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Study Outcomes

  1. Analyze reverse pattern transformations -

    Learn how to reverse character sequences by breaking down puzzles like "peach is to hcaep as 46251 is to" and apply the same logic to new challenges.

  2. Apply logical reasoning to number sequences -

    Use deductive strategies to determine the correct reversed form of numeric codes, strengthening your problem-solving abilities.

  3. Enhance pattern recognition skills -

    Develop the ability to quickly spot hidden structures and repetitions in both words and numbers for faster puzzle solving.

  4. Boost memory retention -

    Practice techniques that improve short-term memory recall, essential for tracking multi-step transformations in intelligence trivia tests.

  5. Reflect on your cognitive performance -

    Evaluate your quiz results to identify strengths and areas for improvement in reverse pattern quizzes and broader analytical tasks.

Cheat Sheet

  1. Reversal Pattern Recognition -

    At the heart of "peach is to hcaep as 46251 is to" is the simple reversal of sequences. Practice by flipping words ("apple → elppa") and numbers ("12345 → 54321") to strengthen neural pathways tied to reverse-mapping (Dehaene et al., Trends in Cognitive Sciences, 2005).

  2. Chunking and Mnemonic Devices -

    Break long strings into manageable chunks - group "46251" as "46-25-1" or "462-51" - to reduce cognitive load and boost recall (Miller, Psychological Review, 1956). Use catchy phrases like "Forty-six to five and one" to cement the reversal rule in memory.

  3. Working Memory & Cognitive Load -

    Baddeley's model shows that the visuospatial sketchpad handles sequences by creating mental arrays; sketching digits and reversing them visually can improve speed. Limiting sequence length to 5 - 7 items initially aligns with Miller's 7±2 rule to avoid overload.

  4. Orthographic & Numeric Processing -

    Research from Stanford's Symbolic Systems Program highlights that switching between letters and digits activates overlapping brain regions - training with mixed alphanumeric reversals sharpens both skills. Try alternating "dog → god" with "789 → 987" in timed drills.

  5. Transfer of Learning Through Varied Practice -

    According to the National Research Council, varied practice - alternating between word reversals, numeric codes, and mixed puzzles - fosters deeper pattern recognition. Schedule daily 5-minute sessions mixing "peach is to hcaep as 46251 is to" style quizzes with other reversal tasks.

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