How
many letters
are in the alphabet?
What
has a head
and a tail but no body?
What has
13 hearts
but no other organs?
Which English word
has three consecutive double letters?
What begins with an “e”
and only contains one letter?
What’s a single-digit
number with no value?
The more that there is of this,
the less you see. What is it?
What’s always running
but never gets hot?
What has branches,
but no fruit, trunk, or leaves?