Coding–Decoding Interview Questions

    Question 1Number as Letter Position

    If 'HOTEL' is coded as 12-15-20-5-12, what will be the code for 'LAMB'?

    Question 2Reverse Letter Position

    In a certain code, 'MIND' is written as 'NIMD'. How is 'GAME' written in that code?

    Question 3Letter Substitution with a Shift (Caesar Cipher)

    If 'TEACHER' is coded as 'VGC EJGT', how is 'CHILDREN' coded?

    Question 4Word-to-Number Coding

    If in a code, 'GO' = 32 and 'SHE' = 49, then 'SOME' will be equal to?

    Question 5Mixed Coding (Letters and Numbers)

    If 'MACHINE' is coded as 19-7-9-14-15-20-11, what is the code for 'DANGER'?

    Question 6Symbol Substitution

    If '+' means '÷', '÷' means '−', '−' means '×', and '×' means '+', what is the value of 48 +

    Question 7Conditional Coding

    In a certain code language, 'it be pit' means 'I am boy', 'it ne pit' means 'I am girl'. Which of the following means 'girl'?

    Question 8Reverse Alphabet Coding

    If 'BOOK' is coded as 'YLLP', how is 'PAGE' coded in that language?

    Question 9Number-Letter Shift

    If 'FRIEND' is coded as 'JVMGPF', what is the code for 'SCHOOL'?

    Question 10 Simple Letter Substitution

    If in a certain language, 'APPLE' is coded as 'BQQMF', how is 'ORANGE' coded in that language?