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WBCS Preliminary Examination 2020 — General Studies · Question 174 of 200

Q174
ArithmeticSpeed, Time & Distance
The speed of an ant is 75 cm/sec. The ant travels in a day
  1. a.64,800 m/day
  2. b.648,000 m/day
  3. c.648,000 cm/day
  4. d.64,800,000 cm/day

Answer: (A) 64,800 m/day

75 cm/sec × 3600 sec/hr × 24 hr = 6,480,000 cm/day, which converts to 64,800 m/day.

Q173 Whole paperQ175