Letter Coding Decoding -Forward Sequence
Letter Coding Decoding -Forward Sequence
Letter Coding Decoding Forward Sequence
For conveying secret messages from one place to another , especially in Defense Services, Research and Analysis Wing (RAW), coding is used. The codes are based on various principles/patterns such that the message can be easily be deciphered at the other end. Now-a-days, in certain competitive examinations, such questions are given to judge the candidates intelligence and mental ability.
Remember : Left to Right
|
A-1 |
B-2 |
C-3 |
D-4 |
E-5 |
F-6 |
G-7 |
H-8 |
I-9 |
J-10 |
K-11 |
L-12 |
M-13 |
|
N-14 |
O-15 |
P-16 |
Q-17 |
R-18 |
S-19 |
T-20 |
U-21 |
V-22 |
W-23 |
X-24 |
Y-25 |
Z-26 |
Also Remember !
|
E-5 |
J-10 |
O-15 |
T-20 |
Y-25 |
Letter Coding Decoding - Forward Sequence : This is the pattern of coding which exhibits the correlation of letter in the alphabetical order. For instance, alphabets A to Z are assigned the numeric codes from 1 to 26 where each letter gets the assignment in the pattern as follow A = 1, B = 2, C = 3, etc.
Example 1 : If LOFTY is coded as LPFUY, then DWARF will be written as :'
(A) DXASF (B) DXBSG (C) DXATF (D) DWBSG
Solution : According to the question , adding alternately 0 and 1 to the alphabets will get you the answer :
Similarly, D + 0 = D, W + 1 = X , A + 0 = A , R + 1 = S and F + 0 = F . Hence the answer is DXASF, option A.
Example 2 : In a certain code language, ‘PICTURE’ is written as ‘QJDUVSF’. How would ‘BROWSER’ be written in that same code language?
(A) CQVVTDS (B) CQPVTDS (C) CSPXTFS (D) CQVPPDS (e) None of these
Answer : (C)
Solution : Clearly, the letters in the word PICTURE are moved one step forward to obtain the letters of the code. Thus, we have :
Similarly, for ‘BROWSER :
Example 3 : In a certain code, TEACHER is written as VGCEJGT. How is CHILDREN written in that code ?
(a) EJKNEGTP (b) EGKNFITP (c) EJKNFGTO (d) EJKNFTGP
Answer : (d)
Solution : Clearly, each letter in the word TEACHER is moved two steps forward to obtain the corresponding letter of the code.
T +2 = V ( 22)
E +2 = H (7)
A +2 = C (3)
C +2 = E (5)
H +2 = J (10)
E +2 = G (7)
R +2 = T (20)
Similarly, we have,
C +2 = E (5)
H +2 = J (10)
I +2 = K (11)
L +2 = N (14)
D +2 = F (6)
R +2 = T (20)
E +2 = G (7)
N +2 = P (16)
So, the desired code is EJKNFTGP.
Example 4 : In a certain code language, RUSTICATE, is written as QTTUIDBSD. How would STATISTIC be written in that code ?
(a) RSBUJTUHB (b) RSBUITUHB (c) RSBUIRSJD (d) TUBUIDBSD
Answer : (b)
Solution : Clearly, the middle letter of the word remains unchanged in the code. Each of the first two and the last letters of the word is moved one step backward, while each of the remaining letters is moved one step forward to obtain the corresponding letters of the code.
R - 1 = Q
U - 1 = T
S +1 = T
T +1 = U
I + 0= I
C +1 = D
A +1 = B
T -1 = S
E - 1 = D
Similarly, we have ,
S - 1 = R
T - 1 = S
A +1 = B
T +1 = U
I +0 = I
S + 1 = T
T +1 = U
I -1 = H
C -1 = B
So, the required code is RSBUITUHB.
Example 5 : If ROAST is coded as PQYUR in a certain language, then how will SLOPPY be coded in that language ?
(a) MRNAQN (b) NRMNQA (c) QNMRNA (d) RANNMQ
Answer : (c)
Solution : Clearly, the letters in the word ROAST are moved alternately two step backward and two step forward to obtain the letters of the code. Thus, we have :
R -2 = P
O +2 = Q
A - 2 = Y
S + 2 = U
T - 2 = R
Similarly, we have ,
S -2 = Q
L +2 = N
O -2 = M
P +2 = R
P -2 = N
Y +2 = A
So, the required code is QNMRNA.
IF | |||
| Right Option : C | |||
| View Explanation | |||
In a certain code, the word ROAD is coded as WTFI. Following the same rule of coding what should be the word for the code GJFY ? | |||
| Right Option : C | |||
| View Explanation | |||
In a certain code language, OR is written as RU. How would NATION be written in that same code language? | |||
| Right Option : A | |||
| View Explanation | |||
Students / Parents Reviews [20]
Abhyas is good institution and a innovative institute also. It is a good platform of beginners.Due to Abhyas,he has got knoweledge about reasoning and confidence.My son has improved his vocabulary because of Abhyas.Teacher have very friendly atmosphere also.
Manish Kumar
10thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thIn terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
Aman Kumar Shrivastava
10thAbhyas academy is great place to learn. I have learnt a lot here they have finished my fear of not answering.It has created a habit of self studying in me.The teachers here are very supportive and helpful. Earlier my maths and science was good but now it has been much better than before.
Barkha Arora
10thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thThe experience was nice. I studied here for three years and saw a tremendous change in myself. I started liking subjects like English and SST which earlier I ran from. Extra knowledge gave me confidence to overcome competitive exams. One of the best institutes for secondary education.
Aman Kumar Shrivastava
10thMy experience with Abhyas Academy has been very good. When I was not in Abhyas whenever teacher ask questions I could not speak it confidently but when I came in Abhyas, my speaking skills developed and now I am the first one to give the answer of teachers question.
Upmanyu Sharma
7thWe started with lot of hope that Abhyas will help in better understnding of complex topics of highers classes. we are not disappointed with the progress our child has made after attending Abhyas. Though need to mention that we expected a lot more. On a scale of 1-10, we would give may be 7.
Manya
8thUsually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...
Anika Saxena
8thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thAbhyas is an institute of high repute. Yogansh has taken admission last year. It creates abilities in child to prepare for competitive exams. Students are motivated by living prizes on basis of performance in Abhyas exams. He is satisfied with institute.
Yogansh Nyasi
7thThird consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
Ayan Ghosh
8thBeing a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
Shreya Shrivastava
8thMy experience with Abhyas academy is very nice or it can be said wonderful. I have been studying here from seven class. I have been completing my journey of three years. I am tinking that I should join Abhyas Academy in tenth class as I am seeing much improvement in Maths and English
Hridey Preet
9thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
