If 7129p465 is divisible by 9, then the value of p is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 2
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Understanding Tricks |
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Application The divisibility rule of 9 is - When the sum of a given number is divisible by 9 then the number is also divisible by 9. So 7129p465 7 + 1 + 2 + 9 + p + 4 + 6 + 5 = 34 + P |
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Now we choose value from the option so that the divisibility rule is followed Here 34 + 2 = 36 i.e is completely divisible by 9 |
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Hence p = 2 |