What largest number of five digits is divisible by 99?
- Largest number of 5 digits = 99999. On dividing 99999 by 99, we get 9 as remainder.
Required number = (99999 - 9) = 99990
The largest five-digit number divisible by 99 is 99990.
•Divisibility Rules: To check if a number is divisible by 99, the following two rules can be used:
1.If the last two digits of a number are divisible by 99, then the number is divisible by 99.
2.If the last two digits of the number are divisible by 11, then the number is divisible by 99.
•To check if 99990 is divisible by 99, first, let us check the last two digits. The last two digits of 99990 are 90. Since 90 is divisible by 11, 99990 is divisible by 99.
•Hence option C is the correct answer.
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