A man sells different brands of an items. \(^1/_9\) of the items he has in his shop are from Brand A, \(^5/_8\) of the remainder are from Brand B and the rest are from Brand C. If the total number of Brand C items in the man's shop is 81, how many more Brand B items than Brand C does the shop has?

Find the area, to the nearest cm\(^2\), of the triangle whose sides are in the ratio 2 : 3 : 4 and whose perimeter is 180 cm.

Find the compound interest (CI) on ₦15,700 for 2 years at 8% per annum compounded annually.

Find the volume of the cylinder above
[Take \(\pi= ^{22}/_7\)]

The third term of an A.P is 6 and the fifth term is 12. Find the sum of its first twelve terms