Which American state was purchased from Russia for the sum of $7.2 million in 1867?
How many prime numbers are there less than 13?
What are the next two numbers in this sequence: 4, 11, 18, 25, ...?
What is the sum of 62, 37 and 8?
What is the sum of 543 and 264?
How many prime numbers are there?
1,256 | 1,000,000 | 50 | Infinitely many
Orange pekoe, Lapsang Souchong and Oolong are all types of what?
At the 2012 Grammy Awards, which British singer won all six awards for which she was nominated?
