If 7 September 2012 is a Friday, then what will be the day of the week on 17 December 2014?

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RRB Group D 13 Sept 2022 Shift 2 Official Paper
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  1. Wednesday
  2. Sunday
  3. Monday
  4. Thursday

Answer (Detailed Solution Below)

Option 1 : Wednesday
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Detailed Solution

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Given that:

The day on 7th September 2012 is Friday.

  • No of days from 7 September to 17 December =  23 + 31 + 30 + 17 = 101 
  • Since, it was Friday on 7th September 2012, every 7th day from 7th September will be a Friday.
  • Thus, no. of odd days = 101/7 = 3 odd days.
  • Now,7 September 2012 (Friday) + 3 odd days = 17 December 2012 (Monday)
  • The day on 17 December 2014 = 17 December 2012 + 2 days (Every year a date get shifts forward to the Next day. That means after 2 years, would shift ahead by 2 days.)
  • The day on 17 December 2014 is Wednesday.

Hence, "Option 1" is the correct answer.

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