Question

The sum of first four multiples of 9​

Answer 1

Did you know that the sum of all the digits of the multiples of 9 add up to 9. For example, 18 is a multiple of 9 and 1 + 8 = 9. Similarly, 198 is a multiple of 9 and 1 + 9 + 8 = 18 and 1 + 8 = 9.

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List of First 20 Multiples of 9.

Multiply 9 by the numbers from 1 to 20Multiples of 99 × 199 × 8729 × 9819 × 1090

Answer 2

9 9 1,2,3,4, ....

,, 9 ...

9,,18,27,,36....