Can you replace the question mark with the correct number?

What does this simple rebus mean?

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

AB * C = DE - F = GH / I

What four weights can be used to balance from 1 to 30 pounds?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

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

What does this rebus means ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?