Letter coding
Letter coding is a Aptitude concept from the MPSC syllabus, tested in 5 past MPSC questions across 4 exam years between 2015 and 2025. Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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प्रश्नचिन्हाच्या जागी योग्य पर्याय निवडा. JEWQR : ? :: ? OYQFR Choose the correct option to replace the question mark. JEWQR : ? :: ? OYQFR
Analyzing the alphabetical shifts and backward/forward patterns between the given analogous pairs reveals the correct letter sequences.
पहिल्या स्तंभातील शब्द, दुसऱ्या स्तंभातल्याप्रमाणे गुप्तरीतीत लिहिलेले आहेत. स्तंभ I आणि II मधील शब्द आणि अक्षरे यांचा क्रम तोच असेल, असे नाही. सांकेतिक भाषा ओळखून ‘REACT’ या शब्दाचा यथाक्रम संकेत दिलेल्या पर्यायांमधून शोधा : स्तंभ I स्तंभ II TAPE moij COUP lhhpok TIE nls ROTATE nhpk SAY nkpl TREAT msr YEAR khlph SIP hrp TYRE pmlh The words in the first colum are written in a secret manner in the second colum. The sequence of words and letters in columns I and II may not be the same. Decode the language and find the sequential code of 'REACT' from the given options : Column I Column II TAPE moij COUP lhhpok TIE nls ROTATE nhpk SAY nkpl TREAT msr YEAR khlph SIP hrp TYRE pmlh
By comparing common letters across words in Column I and their coded counterparts in Column II, the letter-to-symbol mapping is decoded to form the code for 'REACT'.
एका सांकेतिक भाषेत 'KAMAL' is '1626142615' असेल तर 'NO' साठी कोणता संकेत राहील ? / If the code for 'KAMAL' is '1626142615', then find the code for 'NO'.
The code uses a pattern based on letter positions or opposite alphabetical values doubled. Applying this pattern to 'NO' gives the corresponding code option 1.
जर 'R' हा 'भागकार' दर्शवितो, 'T' हा 'बेरीज' दर्शवितो, 'W' हा 'वजाबाकी' दर्शवितो आणि 'B' हा 'गुणाकार' दर्शवितो तर 15W12T8R2B6 = ? If 'R' denotes ‘divided by', 'T' denotes ‘added to', 'W' denotes ‘Subtracted from’ and 'B' denotes ‘multiplied by’ then 15W12T8R2B6 = ?
Substitute symbols: R = /, T = +, W = -, B = *. Expression: 15W12T8R2B6 becomes 15 - 12 + 8 / 2 * 6. Following BODMAS: 8 / 2 = 4; 4 * 6 = 24; 15 - 12 + 24 = 3 + 24 = 27.