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The last day of a century cannot be

A. Monday

B. Wednesday

C. Tuesday

D. Friday

Answer: Option C

Solution(By Examveda Team)

100 years contain 5 odd days.
∴ Last day of 1st century is Friday.
200 years contain (5 x 2) ≡ 3 odd days.
∴ Last day of 2nd century is Wednesday.
300 years contain (5 x 3) = 15 ≡ 1 odd day.
∴ Last day of 3rd century is Monday.
400 years contain 0 odd day.
∴ Last day of 4th century is Sunday.
This cycle is repeated.
∴ Last day of a century cannot be Tuesday or Thursday or Saturday.

This Question Belongs to Arithmetic Ability >> Calendar

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Comments ( 2 )

  1. Sunil Baraskar
    Sunil Baraskar :
    4 years ago

    Which day not to be last day of century year

  2. Sunil Baraskar
    Sunil Baraskar :
    4 years ago

    Koinsa war shatabdi Ka antim war nhi ho skta h???

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