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WBCS Main Examination 2023 — Paper VI: Arithmetic and Test of Reasoning · Question 139 of 200

Q139
ArithmeticPercentage, Profit & Loss
Salary of a person is increased by 20%, then it is decreased by 20%. Change in his salary is:
  1. a.4% decreased
  2. b.4% increased
  3. c.8% decreased
  4. d.remains same

Answer: (A) 4% decreased

100 becomes 120 and then 120 × 0·8 = 96. The salary falls by 4%. It does not remain the same because the 20% cut is taken on the larger figure.

Q138 Whole paperQ140