What does below pictogram mean?

I can be cracked, made, told, and played. What am I?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Can you find out who is the kidnapper in below Picture and why, Explain ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

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