John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Which tank will fill first?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Remove two matchsticks to make the below equation correct.

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

81 x 9 = 801. What must you do to make the this equation true?