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A whole number n has the property that both n and the number formed by reversing its digits are divisible by 9.
Mohit says: 'If n is divisible by 9, its digit-reversal is also divisible by 9.'
Is his statement always true? Enter 1 for Yes, 0 for No.

Class 6Divisibility RulesPlaying with Numbers
  • A2
  • B0
  • C1
  • D3

Step-by-Step Solution

Reversing the digits does not change the digit sum (the same digits are just rearranged). Since divisibility by 9 depends only on the digit sum, the reversed number has the same digit sum and is therefore also divisible by 9. So the statement is always true: answer 1 (Yes).
Answer: C) 1

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