What goes up but never comes down?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

What does below chemistry rebus means?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

What is the below Rebus indicate?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What Adam and Eve do not have but the rest of the people have?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?