if the first day of april 1991 was tuesday what week..., Rances & Games of Skill, General Mathematics

Question:If the first day of April, 1991 was Tuesday, what day of the week must been on 1st  January, 1998 ?

A Monday 
B Tuesday 
C Wednesday 
D Thursday

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+ AnswerD

+ ExplanationTotal number of odd days from 1st Jan, 1991 to 1st Jan, 1998

Year         1991        1992      1993       1994       1995        1996       1997

Odd days     1     +     2     +     1    +      1     +     1     +        2     +      1

                = 9 odd days

   i,e  2 odd days

:. The day is 2 days beyond the day on 1st Jan, 1991.

i,e. The required day must be Thursday.

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