I have branches, but no fruit, trunk or leaves. What am I?

Our product and our sum always give the same answer. Who are we?

What has hands, but can’t clap?

What Deficiency does the below rebus represent?

VIT_MIN

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Find the missing number in the series below

13 -21 34 -55 ? -144

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?