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?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Count the number of lines in the image below ?

Find the last number in the series below:

voN luJ yaM raM ---

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

You can see it everyday, But cannot touch it at will. What is it?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

O_er_t_o_

Complete the missing letters of the given word.