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WBCS Preliminary Examination 2018 — General Studies · Question 156 of 200

Q156
ArithmeticNumber System, LCM/HCF & Divisibility
Which of the following is the correct order?
  1. a.2.2 < 2.02 < 2.002 < 2.222
  2. b.2.002 < 2.02 < 2.2 < 2.222
  3. c.2.02 < 2.22 < 2.002 < 2.222
  4. d.None of the above

Answer: (B) 2.002 < 2.02 < 2.2 < 2.222

Write all the numbers to three decimal places: 2.002, 2.020, 2.200, 2.222. Now the order is clear: $2.002 < 2.02 < 2.2 < 2.222$. Option (A) wrongly starts with 2.2 and option (C) places 2.002 after 2.22.