How many times does nine go into 210?

If a man earns Rs20 on first day and spends Rs15 on second day and earns Rs20 on third day and spends Rs 15 on fourth day and goes on on which day he will be having Rs 60? What is the largest possible number of perpendicular sides in a hexagon? What is the area under the curve between z equals 1.50 and z equals 2.50? What shape is 3-d with 1 face and 0 edges and vertice's? What times 3 equals 34? What is a mathematical problem? Acceleration is a measure of? P to the power of 2 multiplied by p to the power of 7? What is the area of 4 yards and 2.3 yards? What is the circumference of a circle that is 42 ft? Is pi smaller than 4? What is the every-day use of a derivative? Is the affect the same on a square versus a rectangle when the dimesions are doubled? Does 16 go into 31 evenly? Do you count the number of heart beats in ten seconds and multiply by ten? Which number is larger 2.902 or 2.92? What are twin angles called? Can you give me a sentence with the word probable? What does the abbreviation Ba stands for? What is the lcm of 2 5 7?