A) Monday
B) Wednesday
C) Friday
D) Tuesday
Correct Answer: D
Solution :
100 years contain 5 odd days. So, last day of 1st century is 'Friday' 200 years contain (5 x 2) = 10 odd days = 3 odd days. So, last day of 2nd century is 'Wednesday'. 300 years contain (5x3)= 15 odd days = 1 odd day. \[\therefore \] Last day of 3rd century is 'Monday'. 400 years contain 0 odd day. \[\therefore \] Last day of 4th century is 'Sunday' Since the order is continually kept in successive cycles, we see that the last day of a century cannot be Tuesday, Thursday or Saturday.
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