# GMAT Question of the Day (Jul 27): Arithmetic and Sentence Correction

- Jul 27, 02:00 AM Comments [2]

Math (DS)

Is integer $R$ positive?

1. $R^3 = R$
2. $|R| = R$

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Verbal (SC)

People can debate the aesthetic merits of these overwrought, disquieting, sometimes gruesome works of art, but no one can dispute their creators' mastery of the paintbrush as a blunt instrument.

(A) but no one can dispute their creators' mastery of the paintbrush as a blunt instrument.
(B) but none can dispute their creators' mastery of the paintbrush as a blunt instrument.
(C) but not a one can dispute their creators' mastery of the paintbrush as a blunt instrument.
(D) but no person can dispute their creators' mastery of the paintbrush as a blunt instrument.
(E) but none can dispute to their creators' mastery of the paintbrush as a blunt instrument.

Answers to the questions: E, B

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#### dzyubam

1. Abhishek July 27, 10:06 AM

statement 1 alone isn’t sufficient as checking both -ve e.g. -3, and 3 gives the same result = R.

statement 2 alone is sufficient as |R| = R . As |-3| = -(-3) = 3 i.e. -R that meand R is +ve ad for +ve values, |R| = R e.g |3| = 3

So ANSWER is B – Statement 2 Alone is sufficient.

1. Abhishek July 27, 10:09 AM

In my last comment statement 1 isn;t suffient as for -1 and 1 it holds true so R can be either -ve and + ve. Sorry I used -3/3 as wrong example here.