What has hands, but can’t clap?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What's the next in the series?

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

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

What does this rebus means ?

PROG WORKRESS

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

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

Can you solve the below rebus?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

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?