Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

What number do you get when you multiply all of the numbers on a telephone's number pad?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

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

What breaks yet never falls, and what falls yet never breaks?

Can you Find and name the hidden bird in the picture below ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _