In 1998 , New Year was celebrated on Thursday . On which day it will be celebrated in 2005 ?

Friday Saturday Sunday Monday

Saturday

Difference in between 2005 & 1998 = 2005 - 1998 = 7 2000 & 2004 is leap year in between . so number of leap years = 2  Total = 7 + 2 = 9 \(\frac{9}{7}\)  = Remainder is 2  2 days ahead of Thursday is Saturday .