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The last day of a century cannot be(1) Monday(3) Friday(2) Wednesday(4) Saturday |
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Answer» 100 years contain 5 odd days.∴ Last day of 1stcentury is Friday.200 years contain (5 x 2) ≡ 3 odd days.∴ Last day of 2ndcentury is Wednesday.300 years contain (5 x 3) = 15 ≡ 1 odd day.∴ Last day of 3rdcentury is Monday.400 years contain 0 odd day.∴ Last day of 4thcentury is Sunday.This cycle is repeated.∴ Last day of a century cannot be Tuesday or Thursday or Saturday Wednesday the last day of a century cannot be friday Friday correct and suitable to question 🎉🎉🎉🎉🎉🎉🎉🎉🎉🎪🎪🎪🎪🎪🎪🎪🎪🎪 correct answer is Friday . 🎪🎪🎪🎪🎪🎪🎪🎪🎪🎉🎉🎉🎉🎉🎉🎉🎉🎉 |
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