I thought up two numbers with product less than $500$. I told their product to Penny, and their sum to Sandy. They are both perfect logicians. They have the conversation below: Penny: I don't know what the numbers are, but their sum must be a multiple of $24$. Sandy: I don't know wha...

You are approached by 5 spotted frogs who appear to be venomous, to avoid getting bitten by them, you must find out how many spots they have. The frogs with an even number of spots always tell the truth and the frogs with an odd number of spots always lie. It is known to you that all of the frogs...

Your friend Bob burnt out at his job, and went abroad for a long vacation1. He tweeted this today. Where is he ? 1 Note that Bob is not subject to lockdown since he is as hat.

Browsing an online store, you see this product. The reviews are pretty low, but it seems many people want it. What is it ?

In below grid there are 2 numbers missing fill it with appropriate number . Hint :

Felt it was time for another Density™ puzzle. Warning: May require thinking. Enjoy! Final answer: (3,4,4,4)

The given analogy is 343 : 989 :: x : 669 What is x? 223 332 333 233

Here is a room composed of $10 \times 10$ squared cells. Some cells contain a double-faced mirror ( / or \ ) that reflects the light with an angle of $90°$ on both sides. The other cells can be empty ($X$) or can contain exactly one human ($H$) or exactly one vampire ($V$). The numbers on the bo...

Solve the following analogy. ":" means "is to" and "::" means "as".

A F B D E C G A+B+C = B+D+E = F+E+G Numbers 1,2,3,4,5,6,7

I need help for this puzzle. The name is Sto-stone.