1) A is 3 years older to B and 3 years younger to C, while B and D are twins. How many years older is C to D ? A) 2 B) 3 C) 6 D) 12 Answer: Option CExplanation:Since B and D are twins, so B = D Now, A=B+3 and A=C-3. Thus B + 3 = C - 3 D + 3 = C - 3 C - D = 6
