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39. What figure should replace the question mark?
  IQ test. Free iq test online # 2 with answers and solutions. Question # 39. What figure should replace the question mark?
 

Explanation:
Lower number = (upper left number × 4). Upper right number is superfluous information. (8 × 4 = 32; 7 × 4 = 28; 13 × 4 = 52; 15 × 4 = 60).