Can you replace the question mark with the correct number?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

Why 1729 is a magic number? Answer Logically.

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

What is the next number in this matchsticks series riddle?

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