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If (A+B)=1 and 2 (A-B)=1 , where 0 A, B 2 , then what is A: B equal to?

Options

  1. A1: 2
  2. B2: 1
  3. C1: 3
  4. D3: 1

Correct answer

D. 3: 1

Step-by-step solution

aligned & (A+B)=1 & A+B= 2 .... (i) & (A-B)= 1 2 A-B= 6 .... (ii) aligned Solving equation (i) and (ii) we get aligned & A= 3 and B= 6 & A B = 3 ( 6 ) = 3 1 3 =3: 1 aligned

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