A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I know a nine-letter word having only one vowel.
Do you ?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

If six children and two dogs were under an umbrella, how come none of them got wet?

Can you solve this picture maths equation?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

I’m tall when I’m young, and I’m short when I’m old. What am I?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?