This set of Logical Reasoning Questions and Answers (MCQs) focuses on “Coding and Decoding – Set 7”.
1. In a certain code “CONTROL” is written as “DQQXWUS”. How is “BREAK” written in that code?
a) SRLFE
b) JDKAL
c) CTHEP
d) UDQKA
View Answer
Explanation: Here, every letter of the word moves +n from its position where n is position of alphabet in the word.
i.e. for CONTROL, C+1→D, O+2→Q, N+3→Q, T+4→X, R+5→W, O+6→U, L→S.
Similarly, for BREAK, B+1→C, R+2→T, E+3→H, A+4→E, K+5→P.
Hence, the answer is CTHEP.
2. In a certain code “INSERT” is written as “GLQCPR”. How is “CREATE” written in that code?
a) BWKXUA
b) APCYRC
c) SHXHLH
d) GWPNCV
View Answer
Explanation: Here, each letter moves -2 from its original position.
i.e. for “INSERT” the code is GLQCPR.
Similarly, for “CREATE” the code is APCYRC.
Hence, the answer is APCYRC.
3. In a certain code “CLOUD” is written as “ENQWF”. How “CRACK” is written in that code?
a) ETCEM
b) SPUPSR
c) NJELVP
d) ESAPTO
View Answer
Explanation: Here, each letter moves +2 from its original position.
i.e. for “CLOUD” C→E, L→N, O→Q, U→W, D→F.
Similarly, for “CRACK” the code is ETCEM.
Hence, the answer is ETCEM.
4. In a certain code “564” means “all the best”, “736” means “best of luck” and “423” means “all is luck”. Which of the following is the code for “best”?
a) 6
b) 4
c) 5
d) 7
View Answer
Explanation: Here, in the first and second statement, the common code number is ‘6’ and common word is ‘best’. In the second and third statement the common code number is ‘3’ and common word is ‘luck’. In first and third statement, the common code number is ‘4’ and common word is ‘all’.
Therefore, 3→luck, 4→all, 6→best.
This gives, 2→is, 5→the, 7→of.
Hence the answer is 6.
5. In a certain code “LITHIUM” is written as “lIthIUM”. How is “BRONZE” written in that code?
a) brOnzE
b) BrOnZe
c) bROnzE
d) BRonzE
View Answer
Explanation: Here, according to the positions of the alphabets, odd position alphabets are written in capital letters whereas, even position alphabets are written in small letters.
Hence, the answer is brOnzE.
6. If the letters of the word “ZEBRONICS” are arranged alphabetically, then which letter would be 2nd in the right from the first letter of word?
a) Z
b) E
c) R
d) C
View Answer
Explanation: Here, when arranged alphabetically the word is BCEINORSZ.
Hence, the answer is E.
7. In a certain code “AMPLIFIER” is written as “APMILIFRE”. How can “COMPILER” be written in that code?
a) CMOIPELR
b) COPMELIR
c) CPMOIREL
d) CRELIPMO
View Answer
Explanation: Here, after first letter of the word the remaining letters are swapped with its adjacent letter.
Therefore for COMPILER the code is CMOIPELR.
Hence, the answer is CMOIPELR.
8. In a certain code “PAWN” is written as “27”. Then how can “QUEEN” be written in that code?
a) 24
b) 31
c) 27
d) 46
View Answer
Explanation: Here, the positional values of alphabets are added and then divided by 2.
i.e. P→16 + A→1 + W→23 + N→14 = 54÷2 = 27.
Similarly, for QUEEN→ 17+21+5+5+14 = 62÷2 = 31
Hence, the answer is 31.
9. In a certain code “M4TR1X” is written as “P7WU4A”. How is “ARR4Y” written in that code?
a) F1D8R
b) X8KVS
c) DUU7B
d) E4R4NY
View Answer
Explanation: Here, each alphabet and number moves +3 from its original position.
i.e. M→P, 4→7, T→W, R→U, 1→4, X→A.
Similarly, for ARR4Y the code is DUU7B.
Hence, the answer is DUU7B.
10. If ‘white’ is called ‘yellow’, ‘yellow’ is called ‘blue’, ‘blue’ is called ‘red’, ‘red’ is called ‘black’, ‘black’ is called ‘violet’ and ‘violet’ is called ‘green’, then what would be the colour of light emitting from bulb?
a) Red
b) Blue
c) Black
d) Yellow
View Answer
Explanation: Here, the colour of light emitting from bulb is yellow and it is given that ‘yellow’ is called ‘blue’.
Hence, the answer is Blue.
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