alleryA–D અલગ-અલગ અંકો છે 1–9. AB+CD=BA બે-અંકની સંખ્યાઓનો ઉપયોગ કરે છે; A+D=12 અને B>D. C કયો અંક છે?
A1
B2
C4
D8
Answer & Solution
Correct answer: B. 2
બે અંકગણિત સ્થિતિઓ ABCD માટે 4618 અથવા 5827 છોડી દે છે.
B>D પસંદ કરે છે 5827, આપીને C=2.
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