Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

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 common among 11, 69, and 88?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

What's the best place to go shopping in the ocean?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

What has one letter and starts with an E?

Identify the hidden meaning behind this picture?

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

AB * C = DE - F = GH / I

Can anyone tell me a word in the English dictionary which has a silent 'z'?