This set of Logical Reasoning Questions and Answers (MCQs) focuses on “Coding and Decoding – Set 10”.
1. In a certain code “SUGAR” is written as “TWJEW”. How is “SALTY” written in that code?
a) SRLEP
b) DKALE
c) TCOXD
d) UDQAN
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 SUGAR, S+1→T, U+2→W, G+3→J, A+4→E, R+5→W.
Similarly, for SALTY, S+1→T, A+2→C, L+3→O, T+4→X, Y+5→D.
Hence, the answer is TCOXD.
2. In a certain code “GLOBAL” is written as “DILYXI”. How is “UNIVERSE” written in that code?
a) BCJWCKUA
b) RKFSBOPB
c) SHXLHCJC
d) CJCWPNCV
View Answer
Explanation: Here, each letter moves -3 from its original position.
i.e. for “GLOBAL” the code is DILYXI.
Similarly, for “UNIVERSE” the code is RKFSBOPB.
Hence, the answer is RKFSBOPB.
3. In a certain code “CLOUD” is written as “ZILRA”. How “MEMORY” is written in that code?
a) JBJLOV
b) SPURGV
c) NJVGAR
d) EOQGAV
View Answer
Explanation: Here, each letter moves +3 from its original position.
i.e. for “CLOUD” →C→Z, L→I, O→L, U→R, D→A.
Similarly, for “MEMORY” the code is JBJLOV.
Hence, the answer is JBJLOV.
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 word for digit “6”?
a) all
b) best
c) luck
d) the
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 best.
5. In a certain code “MAGNET” is written as “MAGnEt”. How is “FERROUS” written in that code?
a) fErrOUS
b) FeRRouS
c) fErRoUS
d) FeRrOuS
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 fErrOUS.
6. If the letters of the word “EVEREST” are arranged alphabetically, then which letter would be 2nd in the right from the second letter of word?
a) T
b) E
c) R
d) V
View Answer
Explanation: Here, when arranged alphabetically the word is EEERSTV.
Hence, the answer is R.
7. In a certain code “PARAGRAPH” is written as “PRAGAARHP”. How can “SUMMARY” be written in that code?
a) SMUAMYR
b) SUAMMRY
c) SMAMUYR
d) SAUMMRY
View Answer
Explanation: Here, after first letter of the word the remaining letters are swapped with its adjacent letter.
Therefore for SUMMARY the code is SMUAMYR.
Hence, the answer is SMUAMYR.
8. In a certain code “ENTHALPY” is written as “50.5”. Then how can “ENTROPY” be written in that code?
a) 48.5
b) 31.8
c) 56.5
d) 52.4
View Answer
Explanation: Here, the positional values of alphabets are added and then divided by 2.
i.e. ENTHALPY→5 + 14 + 20 + 8 + 1 + 12 + 16 + 25 = 101÷2 = 50.5.
Similarly, for ENTROPY→ 5 + 14 + 20 + 18 + 15 + 16 + 25 = 113÷2 = 56.5.
Hence, the answer is 56.5.
9. In a certain code “GR4VI7Y” is written as “MX10BO13E”. How is “F0RC3” written in that code?
a) F1D8R
b) X8KV3
c) L6XI9
d) FO46E
View Answer
Explanation: Here, each alphabet and number moves +6 from its original position.
i.e. G→M, R→X, 4→10, V→B, I→O, 7→13, Y→E.
Similarly, for F0RC3 the code is L6XI9.
Hence, the answer is L6XI9.
10. If ‘white’ is called ‘yellow’, ‘yellow’ is called ‘blue’, ‘blue’ is called ‘red’, ‘red’ is called ‘black’, ‘black’ is called ‘violet’, ‘violet’ is called ‘green’, ‘green’ is called ‘magenta’, and ‘magenta’ is called ‘white’ then what would be the colour if we mix yellow and magenta together?
a) Red
b) Green
c) Black
d) Yellow
View Answer
Explanation: Here, the colour when we mix yellow and magenta will be red and it is given that ‘red’ is called ‘black’.
Hence, the answer is Black.
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