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

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

What month of the year has 28 days?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

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

What building has the most stories?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

If eleven plus two equals one, what does nine plus five equal?