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SSC CGL 2016 PYQ — Question 3

SSC CGL Tier II Quant - 01/12/2016 • Quantitative Aptitude • Q3

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if the sum of the digits of a three digit number is subtracted from that number, then it will always be divisible by

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Correct answer: C

Explanation

The correct option is 3.

Let the three digit number be xyz.

(100x + 10y +z) - (x + y +z) = 99x - 9y , which is divisible by both 3 and 9.

So, the answer would be option c)both 3 and 9