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Quantitative Aptitude

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Number Systems and Ratio & Proportion

Question
22 out of 30
 

If the number 517 * 324 is completely divisible by 3, then the smallest whole number in the place of * will be:

A 0
B 1
C 2
D 5
E None of these
Ans. C If the number is divisible by 3 then their

Sum must be divisible by 3

So sum = 5 + 1 + 7 + x + 3 + 2 + 4 = 22 + x

So x = 2

Number Systems and Ratio & Proportion Flashcard List

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