What has lots of eyes, but can’t see?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

What does this rebus photo means?

Can you make a six-letter word using the letters N, A and B ?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

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?