英语智力测试If 5 percent of (m+n) is 10 and "m" is a positive inte

英语智力测试
If 5 percent of (m+n) is 10 and "m" is a positive integer (正整数), what is the greatest possible value(值 )of "n"
Only one set of five letters beloe can be arranged into a five-letter English word .Find the word.
AMDRO LOHRA PLUNT RECVO LARDO PITOM