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

You need to remove four matchsticks from the picture below and still need to maintain the following as in the original image.
1. 1st row contains 12 matchsticks
2. 2nd row contains 12 matchsticks
3. 1st column contains 12 matchsticks
4. 2nd column contains 12 matchsticks

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

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

Replace the question mark with the number below given a simple math problem.

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

What has many teeth, but cannot bite?