Which ratio is different from the other three A.8/20 B.12/30 C.6/10 D.14/35

PLS HELP

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room

If np3 /nc2 = 6, find the value of n