Can you find the odd number in the following?

2716, 4135, 5321 and 7145

A man dies of old age on his 25 birthday. How is this possible?

On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Solve the following series:
AZ, GT, MN, __, YB

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?