Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

If a wheel has 54 spokes, how many spaces are there between the spokes?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

Replace the question mark with the correct number below.

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?

Do You See It?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?