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Chapter 6 Number Play - Part 6

If the digital root of a number is 9 or 0, the number is definitely divisible by:

Type: MCQ • Marks: 1
If the digital root of a number is 9 or 0, the number is definitely divisible by:
Options
A. 9
B. 2
C. 5
D. 11
Explanation
The digital root test is equivalent to remainder modulo 9. Digital root 9 means divisible by 9.
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Class 7th Ganita Prakash 1

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