Jamia Millia Islamia Coding Decoding Previous Year Question Paper and Solution with PDF

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Jamia Millia Islamia Previous Year Questions (PYQs)

Jamia Millia Islamia Coding Decoding PYQ

Qus : 1 Jamia Millia Islamia PYQ

In a certain code, LATE is written as PEXI. Then code for TRACE is:

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2019 PYQ

Solution

Pattern observed: Each letter is moved by +4 alphabet positions. L → P, A → E, T → X, E → I Similarly, T → X, R → V, A → E, C → G, E → I Hence, TRACE → XVEGI

Qus : 2 Jamia Millia Islamia PYQ

If $\text{LONDON}$ is coded as $\text{MPOEPO}$, what is the code for $\text{DELHI}$?

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2024 PYQ

Solution

Qus : 3 Jamia Millia Islamia PYQ

If in a code language COME is coded as XLN V, then the code for CAT will be:

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2020 PYQ

Solution

The code pattern: C → X (opposite letter) O → L M → N E → V Similarly, for CAT: C → X, A → W, T → G So, CAT → XWG $\boxed{\text{Answer: (D) XWG}}$

Qus : 4 Jamia Millia Islamia PYQ

Which of the following is code for CAT in a coding scheme in which JMI is coded as 32?

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MCA 2017 PYQ

Solution

$J=10, M=13, I=9 \Rightarrow 10+13+9=32$. Similarly, $C=3, A=1, T=20 \Rightarrow 3+1+20=24$. $\boxed{24}$

Qus : 5 Jamia Millia Islamia PYQ

Which of the following is code for JMI in a coding scheme in which BAG is coded as 217?

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MCA 2017 PYQ

Solution

BAG → 2,1,7 → 217. JMI → 10,13,9 → 10139. $\boxed{10139}$

Qus : 6 Jamia Millia Islamia PYQ

If CAT means 3, HE means 2, and DELHI means 5, then SAD is …

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MCA 2017 PYQ

Solution

Number represents count of letters in the word. CAT (3), HE (2), DELHI (5) ⇒ SAD (3). $\boxed{3}$

Qus : 7 Jamia Millia Islamia PYQ

If ‘234’ is coded to ‘11’, then ‘123’ is coded to …

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MCA 2017 PYQ

Solution

$2 + 3 + 4 = 9$, but code = $11 = 9 + 2$ → add 2 to digit sum. For ‘123’: $1 + 2 + 3 = 6$, $6 + 2 = 8$.

Qus : 8 Jamia Millia Islamia PYQ

If ‘123456’ is coded to ‘615’, then ‘214652’ is coded to …

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MCA 2017 PYQ

Solution

Code logic → first and last combine: (1,6)→6; (2,1,4,6,5,2) pattern forms 7 and 13 → 713. $\boxed{713}$

Qus : 9 Jamia Millia Islamia PYQ

If COMPLETED is coded as MOCELPDET, then DIRECTION will be coded as:

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2018 PYQ

Solution

In the word COMPLETED, the letters are written in reverse pair-wise: $CO \rightarrow MO$, $MP \rightarrow CE$, $LE \rightarrow LP$, $TE \rightarrow DE$, $ED \rightarrow T$ pattern reversed. Simpler observation: COMPLETED → MOCELPDET (reverse in pairs). Hence, DIRECTION → RIDTCENOI.

Qus : 10 Jamia Millia Islamia PYQ

In a coded language, COMPUTER is written as RETUMPOC. How is MACHINE written in the same code?

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2018 PYQ

Solution

Pattern: The word COMPUTER is reversed. COMPUTER → RETUMPOC. Hence, MACHINE → ENIHCAM.

Qus : 11 Jamia Millia Islamia PYQ

If COOL is coded as DQRP, then write the code for HOT.

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2018 PYQ

Solution

Each letter shifted by +1, +2, +3 respectively. C→D, O→Q, O→R, L→P. Similarly for HOT: H→I, O→Q, T→W.

Qus : 12 Jamia Millia Islamia PYQ

If ‘120456’ is to ‘315’, then ‘204562’ is to …

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MCA 2016 PYQ

Solution

Split into first three and last three digits. For 120456: $(1+2+0)=3$ and $(4+5+6)=15 \Rightarrow 315$. For 204562: $(2+0+4)=6$ and $(5+6+2)=13 \Rightarrow 613$.

Qus : 13 Jamia Millia Islamia PYQ

If $D=23$, $H=19$, decode 8767.

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2022 PYQ

Solution

Mapping is $A!\mapsto!26$, $B!\mapsto!25$, … (i.e., value $=27-\text{position}$).
$8!\to!27-8=19=S$, $7!\to!20=T$, $6!\to!21=U$, $7!\to!20=T$.

Qus : 14 Jamia Millia Islamia PYQ

If BEAT is written as GIDV, then SOUP may be written as

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2022 PYQ

Solution

Shifts by +5, +4, +3, +2:
B→G (+5), E→I (+4), A→D (+3), T→V (+2).
Apply to SOUP: S→X (+5), O→S (+4), U→X (+3), P→R (+2) ⇒ XSXR.
This exact result isn’t in the options; closest pattern-wise is option (A)

Qus : 15 Jamia Millia Islamia PYQ

If 213 = 419, 322 = 924, 415 = 16125; then 215 = ?

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2022 PYQ

Solution

Rule → square 1st & last digits, keep middle same.

213 → 2² 1 3² = 4 1 9; 322 → 3² 2 2² = 9 2 4; 415 → 4² 1 5² = 16 1 25.

So 215 → 2² 1 5² = 4 1 25 = **4125**.

Qus : 16 Jamia Millia Islamia PYQ

If ‘HEALTH’ is written as ‘GSKZDG’, then how will ‘NORTH’ be written in that code?

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2022 PYQ

Solution

Rule = reverse the word, then shift each letter **−1**. HEALTH → (reverse) HTLAEH → (−1) GSKZDG ✓ NORTH → (reverse) HTRON → (−1) GSQNM.

Qus : 17 Jamia Millia Islamia PYQ

If HOTEL = 55, then BORE = ?

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MCA 2016 PYQ

Solution

Use sum of letter positions: B(2)+O(15)+R(18)+E(5)=40. (Note: For HOTEL, sum is 60; the stated 55 appears to be a misprint.)

Qus : 18 Jamia Millia Islamia PYQ

In a certain code 13479 → AQFJL and 5268 → DMPN. How is 396824 written?

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MCA 2016 PYQ

Solution

Digit→letter map from samples: 1→A, 3→Q, 4→F, 7→J, 9→L, 5→D, 2→M, 6→P, 8→N. Thus 396824 → 3 9 6 8 2 4 → Q L P N M F → QLPNMF.

Qus : 19 Jamia Millia Islamia PYQ

If DRIVER = 12, PEDESTRIAN = 20, ACCIDENT = 16, then CAR = ?

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Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2021 PYQ

Solution

Value = 2 × (number of letters). DRIVER(6)=12, PEDESTRIAN(10)=20, ACCIDENT(8)=16 ⇒ CAR(3)=6.

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