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Coding And Decoding Test - 2
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Coding And Decoding Test - 2
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  • Question 1/10
    3 / -1

    If MADRAS can be written as NBESBT, how can BOMBAY be written in that code?

    Solutions

    Each letter in the word is moved one step forward to obtain the corresponding letter of the code.

  • Question 2/10
    3 / -1

    Acording to a military code, SYSTEM is SYSMET and NEARER is AENRER. What is the code for FRACTION?

    Solutions

    The letter is the first half and the letter half of the word are separately reversed to obtain the code.

  • Question 3/10
    3 / -1

    In a certain coding language, iF GO = 32 & SHE = 49 then SOME will be equal to?

    Solutions

    If we count letters till the end of the alphabet including that letter in reverse order then
    Here the values are nothing but the values corresponding to the alphabets when taken in a reverse order,i.e,A = 26 ,B = 25...,Z = 1
    G = 20 and O = 12 totaling 32
    S = 8, H = 19 and E = 22 totaling 49

    So
    SOME = 8 + 12 + 14 + 22 = 56.

  • Question 4/10
    3 / -1

    If E = 5 and READ is coded as 7, then what is the code of 'DEAR' ?

    Solutions

    Here E = 5 = 5/1 = 5

    => READ = 18 + 5 + 1 + 4 = 28/4 = 7

    => DEAR = 4 + 5 + 1 + 18 = 28/4 = 7

  • Question 5/10
    3 / -1

    If 'L' stands for '+' , 'M' stands for '-' , N stands for 'x' , P stands for '÷' then 14 N 10 L 42 P 2 M 80 = ?

    Solutions

    14 N 10 L 42 P 2 M 80
    Replacing the alphabet with the signs given, the equation becomes
    14×10+42÷2−80
    Applying BODMAS rule
    14×10+21−80
    140+21−80
    81

  • Question 6/10
    3 / -1

    If train is called bus, bus is called tractor, tractor is called car, car is called scooter, scooter is called bicycle, bicycle is called moped, which is used to plough a field?

    Solutions

    A 'tractor' is used to plough a field.

    But a 'tractor' is called 'car'.
    So, a 'car' will be used to plough the field.

  • Question 7/10
    3 / -1

    In a certain code language STUDENT is written as TUTDNES.How will SOURCES be writte in that code language?

    Solutions

    - There are 7 letters in the word

    - The middle letter has been left intact

    - The first and the last letters  of the word have interchanged their position. Similarly, the second and the third letters and the fifth and sixth letters have interchanged their position.

  • Question 8/10
    3 / -1

    In a certain code language 'how many goals scored' is written as '5397'; 'many more matches' is written as '982'; and 'he scored five' is written as '163'. How is 'goals' written in that code language?

    Solutions

    From the given data,
    how many goals scored = 5397....(1)
    many more matches = 982.....(2)
    he scored five = 163.....(3)
    from (1)&(2), many = 9 ....(4)
    from (1)&(3), scored = 3 ....(5)
    Using (4)&(5)in(1), we get goals = 5 or 7.

  • Question 9/10
    3 / -1

    In certain language, CHAMPION is coded as HCMAIPNO, how is NEGATIVE coded in that code?

    Solutions

    The letters of the word are reversed in order, taking two at a time, to obtain the code.

  • Question 10/10
    3 / -1

    In a certain code, '247' means 'spread red carpet' ; '256' means 'dust one carpet' and '264' means 'one red carpet'. Which digit in that code means 'dust'?

    Solutions

    In the first and second statements, the common code digit is '2' and the common word is 'carpet'.

    So, '2' means 'carpet'.

    In the second and third statements, the common code digit is '6' and the common word is 'one'.

    So, '6' means 'one'.
    Therefore, in the second statement, '3' means 'dust'.

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