Can you find the odd number in the following?

2716, 4135, 5321 and 7145

How do you go from 98 to 720 using just one letter?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

What does this simple rebus mean?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

What is the word or phrase?