Coding-Decoding Quiz

1️⃣ If CAT is coded as DAC, then DOG is coded as:

Step-by-Step Explanation

Each letter is shifted one position forward in the alphabet.

C becomes D, A becomes A, T becomes U.

Similarly, D becomes E, O becomes P, G becomes H.

Answer: EPH ✅

2️⃣ If SUN is coded as TVO, then RAT is coded as:

Step-by-Step Explanation

Each letter is shifted one position forward in the alphabet.

S becomes T, U becomes V, N becomes O.

Similarly, R becomes S, A becomes B, T becomes U.

Answer: SBU ✅

3️⃣ If ONE is coded as PNF, then TWO is coded as:

Step-by-Step Explanation

Each letter is shifted one position forward in the alphabet.

O becomes P, N becomes O, E becomes F.

Similarly, T becomes U, W becomes X, O becomes P.

Answer: UXW ✅

4️⃣ If LONDON is coded as MPNCOP, then DELHI is coded as:

Step-by-Step Explanation

Each letter is shifted one position forward in the alphabet.

L becomes M, O becomes P, N becomes O, D becomes E, O becomes P, N becomes O.

Similarly, D becomes E, E becomes F, L becomes M, H becomes I, I becomes J.

Answer: EFMIJ ✅

5️⃣ If SISTER is coded as RHRSDQ, then BROTHER is coded as:

Step-by-Step Explanation

Each letter is shifted one position backward in the alphabet.

S becomes R, I becomes H, S becomes R, T becomes S, E becomes D, R becomes Q.

Similarly, B becomes A, R becomes Q, O becomes N, T becomes S, H becomes G, E becomes D, R becomes Q.

Answer: AQNADG ✅

6️⃣ If MACHINE is coded as LBBHBOD, then code for PEANUT is:

Step-by-Step Explanation

Each letter is shifted one position backward in the alphabet.

M becomes L, A becomes B, C becomes B, H becomes B, I becomes H, N becomes O, E becomes D.

Similarly, P becomes O, E becomes D, A becomes Z, N becomes M, U becomes V, T becomes U.

Answer: ODZMVU ✅

7️⃣ If EGYPT is written as VBVHK, then WIN is written as:

Step-by-Step Explanation

Each letter is replaced with its opposite letter in the alphabet (A=Z, B=Y, etc.).

E becomes V, G becomes T, Y becomes B, P becomes K, T becomes G.

Similarly, W becomes D, I becomes R, N becomes M.

So the correct answer is DLM.

Answer: DLM ✅

8️⃣ If BEAUTIFUL is coded as CDVFUJMVL, then LEAF is coded as:

Step-by-Step Explanation

Each letter is shifted one position forward in the alphabet, but the vowels are shifted two positions forward.

B becomes C, E becomes F, A becomes C, U becomes V, T becomes U, I becomes J, F becomes G, U becomes V, L becomes M.

Similarly, L becomes M, E becomes G, A becomes C, F becomes G.

Thus leaf becomes MFBG.

Answer: MFBG ✅

9️⃣ In a certain code, ROAD is written as URDG. What is the code for SWAN?

Step-by-Step Explanation

The first and third letters are shifted three positions forward.

The second and fourth letters are shifted two positions forward.

R becomes U, O becomes R, A becomes D, D becomes G.

Similarly, S becomes V, W becomes Z, A becomes D, N becomes Q.

Answer: VZDQ ✅

🔟 If MASTER is coded as 682147 and DANGER is coded as 526379, then RAMAGE is coded as:

Step-by-Step Explanation

Each letter is assigned a specific numerical code.

M = 6, A = 8, S = 2, T = 1, E = 4, R = 7.

D = 5, A = 2, N = 6, G = 3, E = 7, R = 9.

RAMAGE: R = 9, A = 2, M = 1, A = 8, G = 6, E = 7.

Answer: 921867 ✅