Random Puzzles 

Workings

Hint
Which letters look the same upside down and backwards?

Answer
NOON.

Workings

Hint
What do the 3 numbers add to, and multiply to, so far?

Answer
$0.50.

Reasoning
The three prices add to 1.50 + 3.00 + 4.00 = 8.50.

The three prices multiply to 1.50 x 3.00 x 4.00 = 18.00.

You might be able to see that adding another 0.50 will take the total to 9.00, and multiplying by another 0.50 will take the product to 9.00.

The answer can also be found using algebra. If we call the missing price P, we have:
1.50 + 3.00 + 4.00 + P = 1.50 x 3.00 x 4.00 x P

    8.50 + P = 18.00 x P

        8.50 = 18.00 x P – P

        8.50 = 17.00 x P

8.50 ÷ 17.00 = P

           P = 0.50.

Workings

Hint
Break the word down in this way: GH-O-TI.

Answer
Fish!

Reasoning
The GH as in ENOUGH = F.
The O as in WOMEN = I.
The TI as in MOTION = SH.

Workings

Hint

Answer
This puzzle is a classic paradox. You can wrangle with the logic for hours and never reach an absolute conclusion.