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S is the sum of the first n negative integer powers of 2; i.e., S=2^-1+2^-2+… +2^-n COL A S COL B 1

In △ABC, AB =6, BC = 8, and CA =10.5 COL A The measure of angle ABC COL B 90º P,Q and R are distinct points on a straight line, with Q between P and R, S is a point not on the line, and QR =QS col a PR col b PS Which of the following CANNOT be a factor of 2i and 3 j , where i and j are positive integers? (A) 6 (B) 8 © 27 (D) 42 (E) 54 ANS>A A D please explain why.....

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Question 077: The concentration of alcohol in Tequila is half of the concentration in Vodka. A cocktail consists of Tequila, Vodka and water only. Column A: The amount of alcohol in a liter of cocktail, which consists of 50% Tequila and 30% Vodka Column B: The amount of alcohol in a liter of cocktail, which consists of 30% Tequila and 50% Vodka The quantity in Column A is greater The quantity in Column B is greater The two quantities are equal The relationship cannot be determined from the informatioin given Question 076: X, Y and Z are three angles in a triangle. Z > Y > X. Column A: Y Column B: 60 degrees The quantity in Column A is greater The quantity in Column B is greater The two quantities are equal The relationship cannot be determined from the informatioin given Question 073: K > 1 Column A: K.(Sqrt(K))3 Column B: K.(Sqrt(K))2 The quantity in Column A is greater The quantity in Column B is greater The two quantities are equal The relationship cannot be determined from the informatioin given

Seven fair coins are flipped Column A: The probability of getting a head after five consecutive tails Column B: The probability of getting a tail after four consecutive heads The quantity in Column A is greater The quantity in Column B is greater The two quantities are equal The relationship cannot be determined from the informatioin given Question 020: http://masteryourgre.com/Images/comparison/img_q20.png Column A: The slope of line B Column B: The slope of line A The quantity in Column A is greater The quantity in Column B is greater The two quantities are equal The relationship cannot be determined from the informatioin given Column A: 40 Column B: The perimeter of a rectangle whose area is 120 The quantity in Column A is greater The quantity in Column B is greater The two quantities are equal The relationship cannot be determined from the informatioin given http://masteryourgre.com/Images/comparison/img_q5.png k and p are two parallel lines. x, z and y are angles Column A: z + y Column B: 360 – (x + y) The quantity in Column A is greater The quantity in Column B is greater The two quantities are equal The relationship cannot be determined from the informatioin given

1) Solve This : If (2^2n+1) + (2^2n) = 1000, then Col A: n Col B: 500 2) Given that there was about 8500 distribution nos. If the score of 26.7 was 35th percentile and 37.1 was 50th percentile, then how many distribution parameter nos accounted for about 50 percentile of the distribution? 3) Assuming that x & y are integers, then Col A: sqrt(x) + sqrt(y) Col B: sqrt(x+y) 4) An Electricity poll which was inotially 3000m,has been extended to 3799m. If a marked place is between 3020m to 3039m then what is the probability that selected point is marked place? A. 0.025 B. 0.01 C. 0.05 D. 0.02 5)Given two series of P & F, in which each upcoming term in P series is twice the preceding term and each upcoming term in F series is three times the preceding term. If P1 = 5, F1 = 2, then for which value Pk > Fk. (Here 1, k are suffixes) 6) Given there are 800 doctors who says 'yes' to the drugs P, Q, R that they work effectively. P drug....some 38% Q drug....some 52% R drug.....some 71% now, how many doctors say "yes" to Q drug and "don't say yes" to the drug R? A. 312 B. 910 7) One alloy of metal contains 90%copper & 10%tin. Another alloy contains 95%copper &5%tin. If they are mixed so that the mixture contains 9%tin then what % of copper will it contain? A)90 B)65 C)85 D)75 E)80

A student is asked to pick marbles from a bag that contains 18 marbles. Eight marbles are red, 4 are green, and 6 are black. What is the minimum number of marbles that a blindfolded student would have to draw from the bag to be certain of having at least three marbles of the same color?

its totally clear now Kobra...thank you...

thank you....I am trying a lot...

thank you my friends...

thank you friends...

thank you Paul...

Seven one-dollar coins are distributed among Abby, Bobbie, and Connie so that each person receives at least one 1 dollar coin. COL A The total number of ways to distribute the coins so that at least 1 person receives at least $3. COL B The total number of ways to distribute the coins.

27. a solid cube 3 inches on a side but with a 1-inch square hole cut through it. How many square inches is the total surface area of the resulting solid figure? (A) 24 (B) 42 © 52 (D) 64 (E) 66 ---------------------------------------------------------------------------------------------------------------------------------------------- COL A The price of a $100 product marked up by Q percent COL B The price of a $99 product marked up by Q dollars (A) The quantity in Column A is greater; (B) The quantity in Column B is greater; © The quantities are equal; (D) The relationship cannot be determined from the information given

please suggest some good materials for RC as i have only 1 month left to prepare for my exam....