What is the sum of angles in a triangle?

What is the square root of 144?

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

This region was a kingdom of Czechoslovakia until the 15th century, when it passed to Hungary and then to the Hapsburgs. It became the core of the new state of Czechoslovakia in 1918. Today the name can refer to certain artistic intellectuals. Which regio

How would the number 70 (in base 10) be represented in base 3?

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?

In how many different ways could a basketball player score exactly 8 points in a game? (Combinations of foul shots, 2-pointers, and 3-pointers).