What was the day of the week on 24th July 2011?
a) Sunday
b) Wednesday
c) Monday
d) Tuesday
Answer: a
Explanation:
Formula : (Date + Month code + No.of years + No.of leap year + Century code)/7
$$\eqalign{
& = \frac{{24 + 0 + 11 + 2 + 6}}{7} \cr
& = \frac{{43}}{7} \cr
& = 1 \cr
& = {\text{Sunday}} \cr} $$
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