Complete the table series riddle by finding the number that can replace "??".

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

How can you make a TV, a bed, a dog, and a car liquid?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

What does this rebus puzzle means ?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

How is the moon similar to a dollar?