alleryप्रत्येक अक्षराचा एक वेगळा निश्चित अंक असतो. NOON चा कोड कोणता असू शकतो?
A1223
B1221
C1212
D1122
Answer & Solution
Correct answer: B. 1221
NOON ला समान पहिला आणि चौथा अंक आणि समान दुसरा आणि तिसरा अंक आवश्यक आहे, जे फक्त 1221 पूर्ण करतात.
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