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UI Post-UTME Mathematics 2012 Question 13

Question 13

Logarithms

Given that log102 = 0.3, solve the equation 2x = 5

  1. A.11/5
  2. B.2/5
  3. C.7/3
  4. D.5/3
Show the answer and explanation

Answer: C (7/3)

Explanation

x = log 5/log 2 = 0.7/0.3 = 7/3.