15th October 1984 will fall on which of the following days?
AMonday
BTuesday
CThursday
DWednesday
Answer:
A. Monday
Read Explanation:
1600 yeaes contain 0 odd days 300 years contain 1 odd day 83 years contain 20 leap year and 63 normal years so in 83 years there are 40 odd days = 5 odd days 1984 contains 1 + 5 = 6 odd days from 1 january 1984 to 15 october 1984 there are 289 days in 289 days there are 2 odd days so in total there are 6 + 2 = 8 odd days = 1 odd day 0 odd day = sunday 1 odd day = monday 2 odd days = tuesday 3 odd days = wednesday 4 odd days = thursday 5 odd days = friday 6 odd days = saturday there for 15 october 1984 was Monday