Why is a river so rich ?

Complete the table series riddle by finding the number that can replace "??".

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

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

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

What has no start, end, or centre?