Concept Used: Divisibility rule of 4 : A number is divisible by 4 if its last two digits are divisible by 4 Calculations : Remainder when 15 divided by 4=1 Remainder when 25 or 32 divided by 4=0 Remainder when 35 or 243 divided by 4=3 Remainder when 45 or 1024 divided by 4=0 Remainder when 55 or 3125 divided by 4=1 Remainder =1+3+1=5 Remainder when 5 divided by 4=1