Interestingly, 111111111 in binary adds upto 531, assuming that to be 531 minutes, divide that by 60 and you get close to 8.51 which can be 8 hours 30 minutes; 111111111 upon 8:30 AM can be = 1.

The person delivering the newspaper. Since the man was lying in a pool of dried blood, the murder must have happened before and the newspaper on the porch was the Monday one. So the suspect saw the murder and didn’t report it or he himself murdered the man.

letter S

20 days

Tuesday

Two days after Monday  is Wednesday

Immediately after Wednesday is Thursday

Two days after Thursday is Saturday

Three days after Saturday is Tuesday

For print(5)
Output-hellohellohellohellohelloworldworldworldworldworldworld

Suppose n=3
The output shall be
hellohellohelloworldworldworldworld

Basically, the number of hello’s shall be equal to value of n and the number of world’s following it shall be n+1.

J I G S A W

She calls each student and tells him/her that another student X will get detention. And for every student, she takes a different name for X

When – is added on the left

12:22:21