Q: How many of the letter r is in the word "revolutionary"? A: 2
Q: Evaluate the expression [1010/10 + 10/1010 - 20 + (55/5 + 5/55)]. A: 10
Q: What are the last 20 digits of pi? A: There is no answer.
Q: 100x - 5y = 6, 3y-8 = 2x/3. Solve for x and y. A: x = 87/445, y = 1206/445