They have different types of ATMs.
Normal ones, usually long queues, can dispense in multiples of 10.
ATMs that only dispense minimum amounts , e.g. more than $200.
ATMs that only dispense in 50s or 100s, multiples of 50.
The solution is to have at least another bank account, if you have bank balances at least 5 figure.
If 4 figure or below, don't bother.