What is the square root of 144?

What is the sum of angles in a triangle?

a. What was the last year which read the same right side up as upside down? b. What will be the next year?

If you add the numerical value of all seven Roman numerals, what is the sum?

Joe drank 1/3 of a glass of milk in one swallow, then drank 4/5 of the remaining milk in another swallow. What fraction of the original milk was left?

39,370 inches is equivalent to what unit of distance?

A town in India has a population of 20,000 people. 5% of the inhabitants are one-legged, and half the others go barefoot. How many sandals are worn in this town?