The total number of erasers having colours C3 or C4 is approximately what percentage of the average number of pens of each colour?
29 0 64225b265bff3d098d0b9922The average of six consecutive odd numbers is 26. Find the difference between the largest and the smallest of these numbers.
40 0 64225aaf5bff3d098d0b9904B is 10% more than A. C is 20% less than A. B is what percentage more than C?
40 0 64225a4b5bff3d098d0b98ea