Question

A number when divided successively by 4 and 5 leaves remainders 1 and 4 respectively. When it is successively divided by 5 and 4, then the respective remainders will be

Answer 1

let no x/4=1 & y/5=4 mean x=5 & y= 9 another x/5; 5/5=1 & y/4; 9/4=5