Mathematics · Number System

If a 4-digit number 5k21 is divisible by 9, then the value of digit 'k' is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

13
21✓
30
49

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If a 4-digit number 5k21 is divisible by 9, then the value of digit 'k' is:

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If a 4-digit number 5k21 is divisible by 9, then the value of digit 'k' is:

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