How mamy pounds are there in a stone? 12 !14 16 28 How many ounces are there in a pound? 12 14 !16 20 How many pounds make-up one hundredweight? !112 116 144 196 How many spans are there in one fathom? 2 4 6 !8 How many square yards are there in one acre? 1248 1440 2112 !4840 What is 400 in Roman numerals? CX XD CM !CD What number is expressed as CD in Roman Numberals? 150 !400 450 500 What type of triangle has one angle greater than 90 degrees? Acute !Obtuse Rhombus Quadrilateral How many nautical miles make up one degree? 10 !60 80 90 How many nautical miles make one league? 1 2 !3 4