Given a three digit number x+5+y where x is the digit at hundreds place and y is the digit at ones. If the number x+5+y is divisible by 9, find least positive value x+y ?
Open in App
Solution
By divisibility test of 9 sum of digits must be
divisible by 9 hence x+y+5=y where y is a real number minimum value of y possible is 9 hence x+y+5=9 x+y=4