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WBCS Main Examination 2023 — Paper VI: Arithmetic and Test of Reasoning · Question 138 of 200

Q138
ReasoningNon-Verbal: Dice, Figures & Patterns
Direction: In question, numbers are placed in figures on the basis of some rules. One place in the figure is indicated by the interrogation sign (?). Find out the correct alternative to replace the question mark and indicate your answer by filling the circle of the corresponding letter of alternatives in the OMR Answer Sheet. Outer segments of the circle: top 7, right 9, bottom 15, left 2 Inner triangles of the square (divided by its diagonals): top 63, right ?, bottom 30, left 14
  1. a.18
  2. b.33
  3. c.135
  4. d.145

Answer: (C) 135

Each inner triangle is the product of its own outer number and the next outer number clockwise: top 7 × 9 = 63, bottom 15 × 2 = 30 and left 2 × 7 = 14. So the right triangle is 9 × 15 = 135. 18 and 33 do not fit this rule.