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Coding and decodingReasoning Teaching Exams State Level Railways SSC

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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']

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

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']

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.

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']

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.

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']

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

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']

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.

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']

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

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']

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.

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']

7. Explaination: Last letter is Y

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']

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

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']

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.