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Question

Which one of the following numbers is completely divisible by 99?
Options:
A .  115909
B .  115919
C .  115939
D .  115929
Answer: Option D

Answer : Option D

Explanation :

If a number is divisible by two co-prime numbers, then the number is divisible by their
product also.
If a number is divisible by more than two pairwise co-prime numbers,
then the number is divisible by their product also.
before proceeding
further.
115929 is divisible by both 9 and 11 => 115929 is divisible by 99
115939 is not divisible by 9 and 11 => 115939 is not divisible by 99
115919 is not divisible by 9 and 11 => 115919 is not divisible by 99
115909 is not divisible by 9 and 11 => 115909 is not divisible by 99
Hence, 115929 is the answer


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