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Question

If the three digit number 20x is divisible by 9, what would be the value of x?


A
3
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B
5
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C
6
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D
7
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Solution

The correct option is D 7

Since 20x is divisible by 9. That is possible only when 2 + 0 + x should be divisible by 9.

That is 2 + x should be divisible by 9. That is possible only when 2 + x = 9

=> x = 7.


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