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Unilorin Post-UTME Mathematics 2014 (Model questions) Question 28

Question 28

Linear and Simultaneous Equations

If Ade deserves twice as many marks as Bayo and Bayo deserves half as many marks as Tunde. How many marks does Bayo receive when their total marks is 225

  1. A.45
  2. B.135
  3. C.90
  4. D.75
Show the answer and explanation

Answer: A (45)

Explanation

Ade = 2B and Tunde = 2B, so 5B = 225 and B = 45.