GRE Exam Numerical Ability Geometry

A certain line on the xy plane contains the points (3,2) and (6,0). Which of the following points may also be found along this line? A (1,2) B (0,4) C (2,3) D (3,5) E None of these

Read Solution (Total 1)

By using the distance formula D=((y2-y1)^2 - (x2-x1)^2)^1/2
we find the distances of options (B) and (C) to be equal.
Thus Options (B) and (C) are the answers.
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GRE Other Question

To order certain plants from a catalog, it costs $2.5 per plant, plus a 5 percent sales tax, plus $5.75 for shipping and handling regardless of the number of plants ordered. If Company X ordered these plants from the catalog at the total cost of $63.5, how many plants did Company X order? A) 22 B) 21 C) 20 D) 19 E) 18 The average of ten numbers is 11. The average of six of these numbers is 13. The average of the remaining numbers is x, then
A) 6x=50 B) 3x<20 C) 40>4x D) The relationship cannot be determined.