Can you start the fire using two pieces of wood?

I have eight fingers and two thumbs but I do not live. What Am I?

What's the next in the series?

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

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

What has 13 hearts but no other organs?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

What's a single-digit number with no value?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------