What was the day of week on January 1, 1989?

a) Thursday
b) Monday
c) Sunday
d) Tuesday e)None

• ans-c
  sunday
• 8 years agoHelpfull: Yes(13) No(2)
• answer is sunday
• 8 years agoHelpfull: Yes(5) No(2)
• ans -a(thursday)
• 8 years agoHelpfull: Yes(2) No(10)
• day=date+month code+year last 2-digits+no.of leap years+century code/7
  
  =1+1+89+22+0/7
  =113/7
  =1(rem)
  =sunday
• 8 years agoHelpfull: Yes(2) No(2)
• ans - e (none)
  sol: 1988 is a leap year so it has 2 odd days
  now in 1989 we have only one day in january so days in 1989 is 1
  i.e 2+1=3
  as we know sun=0,mon=1,tue=2,wed=3,thu=4,fri=5,sat=6
  we have odd days = 3 so week day is wednesday.
  
• 8 years agoHelpfull: Yes(0) No(4)
• 1+0+89+22+0=113/7= 1,i,.e Monday
• 8 years agoHelpfull: Yes(0) No(1)