clear
clc
disp('let the misssing frequencies be f1and f2')
disp('sum of given frequencies=12+30+65+25+18=')
c=12+30+65+25+18
disp('so,f1+f2=229-c=')
229-c
disp('median=46=40+(114.5-(12+30+f1))*10/65)')
disp('f1=33.5=34')
f1=34
f2=45