Mixtures first.... 1. when you mix different quantities (say n1 and n2) of A and B, with different strengths or values v1 and v2 then their mean value vm after mixing will be: Vm = (v1.n1 + v2.n2) / (n1 + n2) you can use this to find the final price of say two types of rice being mixed or...
Q) A coin is tossed 14 times, heads occur 8 times and tails 6 times. The second and third attempts are heads. Column-A Maximum number of heads that can occur in a row. Column-B 8 ----Explain in detail-----
Q) On a plane there are two points A and B, which are 5 units apart. The number of straight lines at a distance of 2 units from A and 3 units from B are a. 1 b. 2 c. 3 d. 4 e. 5
Hello all, I've studied through the entirety of Barron's 18th edition math review and the math review provided by ETS in Powerprep. I have encountered a few stumbling blocks along the way. (1.) One way of comparing fractions is to cross-multiply them. I don't understand how you can tell...
I don't understand how to set up an inequality problem that involves absolutes... Please help |x+8| < |x-3| Find rangs of x
Q) Dimensions of a cuboid are 3m x 5m x 8m. Column-A Twice the TSA of the cuboid Column-B 270 cubic cms.
Q) A certain sum doubles in 7 years. Column-A the time taken for the principal to become 4 times when compounded annually Column-B the time taken for the principal to become 3 times under simple interest. -Please explain in detail-
1Q) if the eq. of line L is 3x+4y=0 Column-A Sum of the intercepts of L Column-B 0(zero) ____ 2Q) tommy started at the base of the hill at a vertical elevation of 0 ft above the sea level, he knows that the hill rises along a line measured to have a slope of 2/5. He also knew he has to...
Hi Friends please post difficult question from Dr. Raju's GRE question here. This thread is specifically for those questions Given two concentric circles, one inscribed in another. If the radius of the inner circle is 'x' & the radius of the outer circle is '(x+y)', then what is the...
A tennis game is played between two players. A player wins a game if he wins 3 out of the total 5 sets. Col A: The probability that the match is decided in the first 3 games Col B: 0.15 I am interested in the solutions, because I do not have an OA. The question is from Raju. In my opinion...
The figure shows the dimension of a semi-circular cross section of a one-way tunnel. The traffic signal lane is 12ft wide and is equidistant from the sides of the tunnel. If vehicles must clear the top of the tunnel by atleast 1/2 foot, when they are inside the traffic lane, what should be the...
Q) Column-A No.of spheres of radius one that can fit in the cuboid of dimensions 3x5x8 Column-B 60 Q) Column-A
If x = ± x , then which one of the following statements could be true? I. x = 0 II. x < 0 III. x > 0 (A) None (B) I only (C) III only (D) I and II (E) II and III OA : D , taken from Nova. Please explain, it is really confusing.
Col A: √r6 Col B: r3
1. For all real numbers p an r. p*r=pr-p+r (it should be B, right??) (-4)*5 5*(-4) 2. 3(r/3+s/4+5/3) r-s+5 (i dont understand why the answer is C..) 3. the least positive integer that is divisible by both 14 and 21 the least positive integer that is divisible...
Q1. How many rectangular cuboids are required to form a cube with least possible dimensions when the rectangle cuboid is of dimensions 7X5X3. Q2. How many cubes with least possible dimensions can be formed from a rectangular cuboid of dimensions 7X6X3? This may sound silly but i am having...
The numbers 11, 284 and 7655, when divided by a certain 3-digit number , leave the same remainder. Find that 3-digit number.
1. Given that from 1900 to 1995, if the income of a person is increased by 15% and from 1990 to 2000, if the income of person is increased by 30%, then what is the approximate percentage increase in his income from 1995 to 2000? Sorry guys. I know it's an easy problem, just help me to remind the...
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...
For how many values is: x2 -x -2 >= 0
If x + 2y = 2, and (x + y)2 = 9, which one of these is a possible value of y? A) -8 B) -5 C) -3/2 D) 3/2 E) 5
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