Question : If a 4-digit number x58y is exactly divisible by 9, then the least value of (x + y) is:

Option 1: 4

Option 2: 5

Option 3: 3

Option 4: 2

Question : If the 7-digit number $x$468$y$05 is divisible by 11, then what is the value of ($x$ + $y$)?

Option 1: 12

Option 2: 14

Option 3: 8

Option 4: 10

Question : If the six-digit number 5x2y6z is divisible by 7, 11 and 13, then the value of $(x-y+3 z)$ is:

Option 1: 7

Option 2: 4

Option 3: 0

Option 4: 9

Question : If a nine-digit number 785$x$3678$y$ is divisible by 72, then the value of ($x$ + $y$) is:

Option 1: 20

Option 2: 12

Option 3: 10

Option 4: 5

Question : Let $x$ be the least number which when divided by 8, 9, 12, 14 and 36 leaves a remainder of 4 in each case, but $x$ is divisible by 11. The sum of the digits of $x$ is

Option 1: 5

Option 2: 6

Option 3: 9

Option 4: 4