How many words can a pen with half refill write?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

Identify the hidden meaning behind this picture?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

Find the missing number in the image below.

Which Number is the odd one out?

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

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

A couple went on a climbing trip. But only the husband returned from the vacation and said that his wife slipped off while climbing and died. On investigating, the local sheriff arrested him saying, 'Your travel agent called. You murdered your wife.'

The man did not inform anyone about the trip. Then how was the agent so sure that it was a murder?