This question was asked inGPSSB Additional Assistant Engineer (Electrical) 2026 CBRT – Non-technical SectionQuestion 90 of 100 published · Gujarat Panchayat Service Selection BoardOpen paper
Q90ModerateLetter-Number Coding

In a certain code language, 'BIRD' is coded as '3245' and 'RDBY' is coded as '2346'. What is the code for 'Y' in that language?

Answer & step-by-step solution
Correct answer: D. 6
Quick explanation

D — 6. Common letters B, R, D share the common digits 2, 3, 4; so I = 5 (unique to BIRD) and Y = 6 (unique to RDBY).

Detailed solution (in the paper’s original language)

ખ્યાલ અને સમજૂતી

BIRD અને RDBYમાં common letters B, R, D છે; બંને codesના common digits 2, 3, 4 છે. પ્રથમ શબ્દનો unique letter I માટે unique code 5 રહે છે અને બીજા શબ્દનો unique letter Y માટે unique code 6 રહે છે. તેથી Y=6.

મહત્વપૂર્ણ મુદ્દો

Common-letter/common-code elimination technique.

બીજા વિકલ્પો કેમ નહીં?

બાકીના વિકલ્પો આપેલા logic/patternને સંપૂર્ણ રીતે અનુસરતા નથી.

સામાન્ય ભૂલ

એક શબ્દમાં letter-positionને code-position સમાન માનવી જરૂરી નથી.

ઝડપી ટ્રિક

Common-letter/common-code elimination technique.

Solution diagram – In a certain code language, 'BIRD' is coded as '3245' and 'RDBY' is coded as…
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