What kind of band never plays music?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Can you identify if it's a murder or a suicide ?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

What goes through cities and fields, but never moves?

What does it mean?

what does this below rebus represent identXQQQQQME

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?