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Aptitude360

Coding-Decoding Level - 4

50 questions. Choose an option and see at once whether it was right, with the correct answer and a worked solution. No timer, and nothing to submit.

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  1. Question 1

    Directions: The number-group in each question below is to be codified according to the following letter codes:

    Number513024876
    Letter codeXLMPDBFKJ


    You have to find out which of the answers (a), (b), (c) or (d) has the correct coded form of the given number-group. If none of the coded forms is correct, mark (e) i.e. 'None of these' as your answer.

    173846
  2. Question 2

    Directions: The number-group in each question below is to be codified according to the following letter codes:

    Number513024876
    Letter codeXLMPDBFKJ


    You have to find out which of the answers (a), (b), (c) or (d) has the correct coded form of the given number-group. If none of the coded forms is correct, mark (e) i.e. 'None of these' as your answer.

    862941

  3. Question 3

    Directions: The number-group in each question below is to be codified according to the following letter codes:

    Number513024876
    Letter codeXLMPDBFKJ


    You have to find out which of the answers (a), (b), (c) or (d) has the correct coded form of the given number-group. If none of the coded forms is correct, mark (e) i.e. 'None of these' as your answer.

    430675

  4. Question 4

    Directions: The number-group in each question below is to be codified according to the following letter codes:

    Number513024876
    Letter codeXLMPDBFKJ


    You have to find out which of the answers (a), (b), (c) or (d) has the correct coded form of the given number-group. If none of the coded forms is correct, mark (e) i.e. 'None of these' as your answer.

    790853

  5. Question 5

    Directions: The number-group in each question below is to be codified according to the following letter codes:

    Number513024876
    Letter codeXLMPDBFKJ


    You have to find out which of the answers (a), (b), (c) or (d) has the correct coded form of the given number-group. If none of the coded forms is correct, mark (e) i.e. 'None of these' as your answer.

    901273

  6. Question 6

    Directions: In each of the questions given below, a group of digits followed by four combinations of letter codes labelled (a), (b), (c) and (d) are given. You have to find out which of the combinations is correct coded form of the group of digits as per the following codes and conditions. If none of these four combinations is correct, give (e) i.e. 'None of these' as the answer.

    Digit

     9

    328157640

    Letter code

    MEBNKRHTDJ


    Conditions:

    (i) If the first digit is an odd number and the last digit is an even number, both are to be coded as 'X'.

    (ii) If the first digit is an even number and the last digit is an odd number, both are to be coded as 'Y'.

    (iii) If either the first or the last digit is 0, then 0 is to be coded as 'W'.

    328469

  7. Question 7

    Directions: In each of the questions given below, a group of digits followed by four combinations of letter codes labelled (a), (b), (c) and (d) are given. You have to find out which of the combinations is correct coded form of the group of digits as per the following codes and conditions. If none of these four combinations is correct, give (e) i.e. 'None of these' as the answer.

    Digit

     9

    328157640

    Letter code

    MEBNKRHTDJ

    Conditions:

    (i) If the first digit is an odd number and the last digit is an even number, both are to be coded as 'X'.

    (ii) If the first digit is an even number and the last digit is an odd number, both are to be coded as 'Y'.

    (iii) If either the first or the last digit is 0, then 0 is to be coded as 'W'.

    631420

  8. Question 8

    Directions: In each of the questions given below, a group of digits followed by four combinations of letter codes labelled (a), (b), (c) and (d) are given. You have to find out which of the combinations is correct coded form of the group of digits as per the following codes and conditions. If none of these four combinations is correct, give (e) i.e. 'None of these' as the answer.

    Digit

     9

    328157640

    Letter code

    MEBNKRHTDJ

    Conditions:

    (i) If the first digit is an odd number and the last digit is an even number, both are to be coded as 'X'.

    (ii) If the first digit is an even number and the last digit is an odd number, both are to be coded as 'Y'.

    (iii) If either the first or the last digit is 0, then 0 is to be coded as 'W'.

    640598

  9. Question 9

    Directions: In each of the questions given below, a group of digits followed by four combinations of letter codes labelled (a), (b), (c) and (d) are given. You have to find out which of the combinations is correct coded form of the group of digits as per the following codes and conditions. If none of these four combinations is correct, give (e) i.e. 'None of these' as the answer.

    Digit

     9

    328157640

    Letter code

    MEBNKRHTDJ


    Conditions:

    (i) If the first digit is an odd number and the last digit is an even number, both are to be coded as 'X'.

    (ii) If the first digit is an even number and the last digit is an odd number, both are to be coded as 'Y'.

    (iii) If either the first or the last digit is 0, then 0 is to be coded as 'W'.

    893561

  10. Question 10

    Directions: In each of the questions given below, a group of digits followed by four combinations of letter codes labelled (a), (b), (c) and (d) are given. You have to find out which of the combinations is correct coded form of the group of digits as per the following codes and conditions. If none of these four combinations is correct, give (e) i.e. 'None of these' as the answer.

    Digit

     9

    328157640

    Letter code

    MEBNKRHTDJ

    Conditions:

    (i) If the first digit is an odd number and the last digit is an even number, both are to be coded as 'X'.

    (ii) If the first digit is an even number and the last digit is an odd number, both are to be coded as 'Y'.

    (iii) If either the first or the last digit is 0, then 0 is to be coded as 'W'.

    743506

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