Question

Rice is costlier than wheat by 20 %. By what %is wheat cheaper than rice

Answer 1

let price of wheat=x
so price of rice = x+x*20/100=6x/5
so wheat cheaper than rice by =(6x/5)-x=x/5
so wheat cheaper than rice by ((x/5)/(6x/5))*100%=100/6 %=16.67%