Yes, 990 is divisible by 11.
According to the provided reference, a divisibility test was performed on the number 990, and it was determined that 990 is divisible by 11, among other numbers.
The reference states:
(b) Using the divisibility test, we determined that 990 is divisible by 2,3,5,6,9,10 and 11 and not by 4 and 8.
This directly confirms that 990 is divisible by 11.