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

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Why Aeroplane windows are round?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

What is the word or phrase below?
R | E | A | D

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Can it be possible to build a house that has all its four walls facing towards the South?