Question

Solve fast.... In detailed.

Answer 1

Hey mate,

The original number has to be divisible by 9, by 10, and by 11,

so that number is 9 x 10 x 11 = 990. 

990 is your answer.....

Explanation :-

- That way if you subtract 9, its still divisible by 9. 
- That way if you subtract 10, its still divisible by 10. 
- That way if you subtract 11, its still divisible by 11.

Hope this helps you out!