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      Question

      A = (7/3) Γ— B and C = (1/14) Γ— A. If (A + B + C) =

      360, then determine the value of (10C – B).
      A 480/7 Correct Answer Incorrect Answer
      B 318/5 Correct Answer Incorrect Answer
      C 451/7 Correct Answer Incorrect Answer
      D 525/7 Correct Answer Incorrect Answer

      Solution

      ATQ; A = 14C And, A = (7/3) Γ— B So, 14C = (7/3) Γ— B Or, 6C = B Since, A + B + C = 360 So, 14C + 6C + C = 360 Or, 21C = 360 Or, C = 120/7 A = (120/7) Γ— 14 = 240 And, B = 6 Γ— (120/7) = 720/7 Required value = 10 Γ— (120/7) – (720/7) = 480/7

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