alleryA-F ਛੇ ਵੱਖਰੇ ਗੈਰ-ਜ਼ੀਰੋ ਅੰਕ ਹਨ। ਦੋ-ਅੰਕੀ ਸੰਖਿਆਵਾਂ ਦੇ ਰੂਪ ਵਿੱਚ, AB=2×CD ਅਤੇ EF=3×CD; B+D = 14। FE ਲੱਭੋ।
A54
B81
C36
D45
Answer & Solution
Correct answer: D. 45
CD ਜੋੜ ਸੁਰਾਗ ਤੋਂ ਪਹਿਲਾਂ ਸਿਰਫ਼ 16,18,19 ਜਾਂ 27 ਹੋ ਸਕਦਾ ਹੈ;
B+D=14 18 ਅਤੇ FE=45 ਚੁਣਦਾ ਹੈ।
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