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Coding and decodingReasoning Teaching Exams State Level Railways SSC

Get quiz for Coding and decoding Reasoning + Teaching Exams State Level Railways SSC , SSC , Railways Exams CGL/MTS/CPO, CTET & GATE. Get Free Quiz, PDF notes, Live video and guidance.


Question1) In a certain code 'MISSIONS' is written as 'MSIISNOS'. How is 'ONLINE' written in that code?

  1. OLNNIE

  2. 2. ONILEN

  3. 3. NOILEN

  4. 4. LNOENI

  5. Option- ['1', '2', '3', '4']

  6. Answer: 1

  7. Explaination: First and last letter remain same. The others interchange their positions in pair of two. So, NL become LN IN become NI so code of ONLINE will be OLNNIE

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Question2) In certain code 'TIGER' is written as 'QDFHS'. How is 'FISH' written in that code?

  1. GERH

  2. 2. GRHE

  3. 3. GREH

  4. 4. GHRE

  5. Option- ['1', '2', '3', '4']

  6. Answer: 2

  7. Explaination: Reverse the word and move each letter –1. Reverse of FISH is HSIF subtract 1 from each letter of HSIF. So code of FISH become GRHE.

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Question3) In certain code 'FROZEN' is written as 'OFAPSG'. Then how would 'MOLTEN' be written in that code?

  1. OFPOMN

  2. 2. OFSMPN

  3. 3. OFUMPN

  4. 4. OFUNPM

  5. Option- ['1', '2', '3', '4']

  6. Answer: 3

  7. Explaination: Reverse the word and move each letter +1. Reverse of MOLTEN is NETLOM add 1 to each letter of NETLOM. So code of MOLTEN become OFUMPN.

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Question4) In a certain code 'ROAR' is written as 'URDU'. How is 'URDU' written in that code?

  1. VXDQ

  2. 2. XUGX

  3. 3. ROAR

  4. 4. VSOV

  5. Option- ['1', '2', '3', '4']

  6. Answer: 2

  7. Explaination: Each letter moves +3. Add 3 to each letter of URDU,so code of URDU will be XUGX

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Question5) In a certain code 'LIMCA' is written as 'HJLDZ'. Which of the following words is written as 'IFWJBP'?

  1. MEXICO

  2. 2. MERCURY

  3. 3. JAPAN

  4. 4. MIDNIGHT

  5. Option- ['1', '2', '3', '4']

  6. Answer: 1

  7. Explaination: Each letter moves +1, -1, ....alternately except for L, which is –4. We have to find the word for the code IFWJBP. Add 4 to I then -1, +1 alternately to the remaining letters. The word will be MEXICO.

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Question6) In certain code 'HILTON' is written as 'I H T L N O'. How is 'BILLION' written in that code?

  1. IBLLION

  2. 2. IBOILLN

  3. 3. IBLLOIN

  4. 4. IBLOILN

  5. Option- ['1', '2', '3', '4']

  6. Answer: 3

  7. Explaination: Letters are interchanged in each pair. So code of BI become IB, IO become OI. So code BILLION will be IBLLOIN

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Question7) If in the English alphabet, every alternate letter from B onwards is written in small letters while others are written in capitals, then how will the 3rd day from Tuesday will be coded?

  1. W e D N e S d A Y

  2. 2. W E d n E S d A Y

  3. 3. T H U R S d A Y

  4. 4. f r I d A Y

  5. Option- ['1', '2', '3', '4']

  6. Answer: 4

  7. Explaination: The small letters are b, d, f, h, j, l, n, p, r, t, v, x, z. The third day from tuesday will be friday and code will be frIdAY.

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Question8) If the letters of the word 'CYCLINDER' are arranged alphabetically, then which letter would be farthest from the first letter of word?

  1. N

  2. 2. E

  3. 3. Y

  4. 4. R

  5. Option- ['1', '2', '3', '4']

  6. Answer: 3

  7. Explaination: Last letter is Y

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Question9) In a certain code 'CERTAIN' is coded as 'BFQUZJM'. How is 'MUNDANE' coded in that code?

  1. LVMEZOD

  2. 2. NTCOMBF

  3. 3. NTOCNBF

  4. 4. LTMCZOF

  5. Option- ['1', '2', '3', '4']

  6. Answer: 1

  7. Explaination: Each letter moves -1, +1 alternately. So, M - 1 = L, U + 1 = V and so on. So code for MUNDANE will be LVMEZOD

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Question10) In a certain code 'SEQUENCE' is coded as 'FDOFVRFT. How is 'CHILDREN' coded in that code?

  1. OFESJMID

  2. 2. OFSEMJID

  3. 3. OFSEJIMD

  4. 4. OFSEJMID

  5. Option- ['1', '2', '3', '4']

  6. Answer: 2

  7. Explaination: Reverse the word and +1 to each letter. The reverse of CHILDREN is NERDLIHC. add 1 to each letter. Therefore, the code of CHILDREN becomes OFSEMJID.

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