Coding Decoding problems
- 1. In a certain code language '481' means 'sky is blue', '246' means 'sea is deep' and '698' means 'sea looks blue'. What number is the code for 'blue'.
Options- A. 8
- B. 6
- C. 1
- D. 9 Discuss
Correct Answer: 8
Explanation:
8
- 2. If FATHER is coded as FBTIES, what should be the code for the word SISTER?
Options- A. SJSUES
- B. SKSVET
- C. SHSSEQ
- D. TJTUFS Discuss
Correct Answer: SJSUES
Explanation:
F A T H E R
F B T I E S
Here,
A ? b
H ? I
R ? S
As, Letters are exchanged by their next letter similarly. SISTER will be SJSUES
- 3. In a certain code TEACHER is written as ZYXDOYK and RAIL as KXQM. How will be chair written?
Options- A. DOQXK
- B. DOKQX
- C. DOXQK
- D. DQOXK Discuss
Correct Answer: DOXQK
Explanation:
CHAIR ? DOXQK
- 4. In a certain code language BEAM is written as 5% * K and COME is written as $7 K%. How is BOMB written in that code?
Options- A. 5 % K5
- B. 57 K5
- C. $ 7 K$
- D. 5$% 5 Discuss
Correct Answer: 57 K5
Explanation:
According to given question,
B ? 5, E ? %, A ? *, M ? K, C ? $,O ? 7
Simillarly , we can write with the help of above -
B ? 5 , O ? 7 , M ? K , B ? 5
So , BOMB ? 57K5
- 5. If the sentence "you must go early to catch the train" is coded as "early catch train must to go the you", what will be code for the sentence "morning exercise will help you to keep fit"?
Options- A. help to fit you exercise will keep morning
- B. help to fit exercise you will keep morning
- C. will help to fit you exercise keep morning
- D. will fit to exercise you help keep morning Discuss
Correct Answer: help to fit exercise you will keep morning
Explanation:
- 6. If NOR is coded as 2-3-6, then how should REST be coded in the same code language?
Options- A. 6-19-6-7
- B. 5-19-5-8
- C. 6-19-5-6
- D. 6-18-5-8 Discuss
Correct Answer: 6-19-5-6
Explanation:
Difference between alphabetical positions of N and O = 1 = difference between 2 and 3
Difference between alphabetical positions of O and R = 3 = Diff. between 3 and 6.
Similarly, for REST,
difference between R and E = 13,
difference between E and S = 14
and difference between S and T = 1
Try All option one by one and we will found that here, Only option (c) follows above condition.
- 7. Which letter in the word ' Vertex ' should be changed to mean spiral movement?
Options- A. 1st
- B. 2nd
- C. 4th
- D. Last Discuss
Correct Answer: 2nd
Explanation:
By Replacing O , 2nd letter in the word ' Vertex ' , we get
Vertex? Vortex
- 8. In a certain code language 'LIEUTENANT' is written as 1232212021411420,then how 'MANGO' can be written in that code language?
Options- A. 13114715
- B. 1311474
- C. 14141375
- D. 13114157 Discuss
Correct Answer: 1311474
Explanation:
Code for Consonant is it's place value, and code for vowels are given below
A ? 1,
E ? 2,
I ? 3,
O ? 4,
U ? 5
Therefor
M ? 13,
A ? 1,
N ? 14,
G ? 7,
O ? 4
So the code for MANGO is 1311474
- 9. In a certain code, 'MOUSE' is written as 'PRUQC'. How is 'SHIFT written in that same code?
Options- A. VKIRD
- B. VKIDR
- C. VJIDR
- D. VIKRD Discuss
Correct Answer: VKIDR
Explanation:
From Question
M + 3 = P
O +3 = R
U + 0 = U
S -2 = Q
E -2 = C
In the same way Same way,
S +3 = V
H + 3 = K
I + 0 = I
F - 2 =D
T -2 = R
- 10. In a certain code, 'CALANDER' is written as 'CLANAEDR'. How is 'CIRCULAR' written in that code?
Options- A. ICCRLURA
- B. CRIUCALR
- C. CRIUCLRA
- D. CRIARLCU Discuss
Correct Answer: CRIUCALR
Explanation:
For question it is clear that, the second and third letters, fourth and fifth letters, sixth and seventh letters of the word mutually interchange positions to form the code.
So
C ? C
I ? R
R ? I
C ? U
U ? C
L ? A
A ? L
R ? R
so the code for CIRCULAR is CRIUCALR
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