Question:
Which of the following numbers is divisible by 99?
(a) 913462
(b) 114345
(c) 135792
(d) 3572406
Solution:
(b) Given a number is divisible by 99.
Now, going through the options, we observe that the number (b) is divisible by 9 and 11 both as the sum of digits of the number is divisible by and
sum of digits at odd places = sum of digits at even places.