Reasoning Ability Coding Decoding Sample Test Paper - 1 with Answer Key and Detailed Solution Download in PDF

Here is solved questions of Coding - Decoding for competitive exams. Coding- Decoding questions are asked in almost all examinations and candidates need to practice this section very hard to score good marls and hence good position in merit list.You can also download this question paper in PDF to save it for future references or take print out.

Reasoning Ability Coding Decoding Model Test Paper - 1

Q.1. In a certain code, ROAD is written as URDG. How is SWAN written in that code?

A) VXDQ
B) VZDQ
C) VZCP
D) UXDQ
E) None of these

Explanation (Show/Hide)

Each words is moved three steps forward to obtain the coded word.

---

Q.2. If in a certain language, MIRACLE is coded as NKUEHRL, then how is GAMBLE coded in that language?

A) JDOCMF
B) CLEMNK
C) HCPFQK
D) AELGMN
E) None of these

Explanation (Show/Hide)

Here First letter is moved by one (M + 1 = N), second letter by two (I + 2 = K) third letter by three places (R + 3 = U) and so on...

---

Q.3. If Delhi can be coded as CCIDD, how would you code BOMBAY?

A) AJMTVT
B) AMJXVS
C) MJXVSU
D) WXYZAX
E) None of these

Explanation (Show/Hide)

Here First letter is moved backword by one place(D - 1 = C), second letter by two places (E - 2 = C) third letter by three places (L - 3 = I) and so on...

---

Q.4. In a certain code, MOTHER is written as ONHURF. How will ANSWER be written in that code?

A) NBXSSE
B) NBQRRF
C) MAVSPE
D) NBWTRF
E) None of these

Explanation (Show/Hide)

First interchange 1st letter with second, third letter with fourth and so on. So MOTHER becomes OMHTRE. Now increment letters at odd places (1st, 3rd, 5th..) by one. so MOTHER is coded as ONHURF. Likewise ANSWER is coded as NBWTRF.

---

Q.5. If STRONG is written as ROTNSG, then how would NAGPUR be written in the same code?

A) GPAUNR
B) PGUARN
C) PGAURN
D) GPUANR
E) None of these

Explanation (Show/Hide)

In coding letters are rearranged as third, fourth, second, fifth, first, sixth.

---

Q.6. If R is denoted by N, D is denoted by T, I by U, O by I, E by R, T by O, U by D, N by C, and C by E, then how will be word INTRODUCE be written?

A) UCONIDTER
B) UCONITDER
C) UCOINTDER
D) UCOINDTER
E) None of these

Explanation (Show/Hide)

I -- U
N -- C
T -- O
R -- N
O -- I
D -- T
U -- D
C -- E
E -- R

---

Q.7. In a certain code, STOVE is written as FNBLK, then how will VOTES be written in the same code?

A) FLKBN
B) LBNKF
C) LKNBF
D) LNBKF
E) None of these

Explanation (Show/Hide)

Code the letters as below:
S -- F
T -- N
O -- B
V -- L
E -- K
Hence VOTES as LBNKF.

---

Q.8. If REQUEST is written as S2R52TU, then how will ACID be written?

A) 1394
B) IC94
C) BDJE
D) B3J4
E) None of these

Explanation (Show/Hide)

Here vowels are coded as A, E, I, O, U resp 1, 2, 3, 4, 5 and consonants are moved one step forward. So ACID is coded as 1D3E.

---

Q.9. If DRIVER = 12, PEDESTRIAN = 20, ACCIDENT = 16, then CAR = ?

A) 3
B) 6
C) 8
D) 10
E) None of these

Explanation (Show/Hide)

First count numbers of letters in a word and multiply it by two.

---

Q.10. If in a code language PAINT is written as 74128 and EXCEL is written as 93596, than how will ACCEPT be written in that language?

A) 455978
B) 544978
C) 554978
D) 198532
E) None of these

Explanation (Show/Hide)

Here coding is done as follows:
P -- 7
A -- 4
I -- 1
N -- 2
T -- 8
E -- 9
x -- 3
C -- 5
E -- 9
L -- 6
So ACCEPT is written as 455978.

---

• Click for More Reasoning Ability Question Papers.

• Click to Download this Question Papers in PDF.

• Click to Subscribe and Get Daily Update of Reasoning Question Papers in your Inbox.

We have tried our best to present only  important questions with correct answer key to help you improve your Reasoning Ability. Any suggestion or update about any erroneous entry or answer is always appreciable. Please comment your score or any suggestion in comment section below or you can write to us at careerguide.co@gmail.com. We will be glad to help you.