A number is given as 987562153ab where a and b are digits. Which values of a and b, such that a + b = 11 and a < b, would result in 987562153ab being divisible by 4?
a = 0 , b = 8
a = 3 , b = 8
a = 7 , b = 8
a = 5 , b = 6
a = 3 , b = 4