Logical Riddle: How Much Does the Soap Weigh?

Use your logical skills to solve this riddle.

You have 2 soaps of equal weight and a ¾-pound weight.

You can use a balancing scale for weighing purpose.

When you place 1 full soap on one pan of a scale and 3/4 cake of soap and a 3/4-pound weight on the other, the pans balance.

How much does a soap weigh?


Answer: 3 lbs.


From the given information we can see that 3/4 lbs is equal to 1/4th of the soap.

So the total weight of the soap would be 4 x 3/4 = 3 lbs