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WBCS Main Examination 2023 — Paper VI: Arithmetic and Test of Reasoning · Question 68 of 200

Q68
ArithmeticPercentage, Profit & Loss
By selling 60 articles a vendor gains the selling price of 15 articles. His gain in percentage is:
  1. a.25
  2. b.$33\frac{1}{3}$
  3. c.20
  4. d.$28\frac{4}{7}$

Answer: (B) $33\frac{1}{3}$

SP of 60 − CP of 60 = SP of 15, so CP of 60 articles = SP of 45 articles. The gain is the SP of 15 on a cost equal to the SP of 45, i.e. 15 ÷ 45 = $33\frac{1}{3}$%. 25% wrongly divides by 60 instead of 45.

Q67 Whole paperQ69