What occurs twice in a week, once in a year but never in a day?

A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.

He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.

He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.

How in heaven did he deduce that?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

What is both possible and impossible at the same time?

Find the missing number: 1, 2, 3, 10, 10, ?, 9,802

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?