Question of the Day (December 5)

Quant

Set $A=\{ 3-2x, \ 3-x, \ 3, \ 3+x, \ 3+2x\}$ , where $x$ is an integer. Is the standard deviation of set A more than the standard deviation of set $B=\{3-2x, \ 3-x, \ 3, \ 3+x, \ 3+2x, \ y\}$

(1) The standard deviation of set A is positive.

(2) $y=3$ .

Question Discussion & Explanation

Correct Answer - C - (click and drag your mouse to see the answer)

Verbal

Australian embryologists have found evidence that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving as a kind of snorkel.

(A) that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving

(B) that has suggested the elephant descended from an aquatic animal, its trunk originally evolving

(D) to suggest that the elephant had descended from an aquatic animal and its trunk originally evolved

(E) to suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved

Reformatted the question based on the Official Guide 2015. (SC 128)

Question Discussion & Explanation

Correct Answer - E - (click and drag your mouse to see the answer)

Bonus RC Question of the Day

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Question of the Day (December 5)

Quant

Verbal

Bonus RC Question of the Day

Jeff