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If ab≠0, Is [( a - b )/( a^-1 - b^-1)]^-1> (a+b)
If ab≠0, is \frac{[ ( a - b )}{( a^{-1} - b^{-1})]}^{-1}> (a+b) (1) |a| > |b| (2) a < b What is the answer and fast way to solve ?
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Is p^2q > pq^2?
Is p^2q > pq^2? (1) pq < 0 (2) p < 0[Reveal] Spoiler: got confused in C & E and guessed C Please explain how to eliminate this doubt, as I always get wrong in these two options.
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If a and b are integers and a≠b, is |a|* b > 0?
If a and b are integers and a≠b, is |a|* b > 0? (1) |ab| > 0 (2) |a|* b is a non zero integer
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2^X - 2^(X-2) = 3(2^13) , what is the value of X
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A botanist selects n^2 trees on an island and studies (2n +
A botanist selects n^2 trees on an island and studies (2n + 1) trees everyday where n is an even integer. He does not study the same tree twice. Which of the following cannot be the number of trees...
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Lines r and s lie in the xy-plane. Is the y-intercept of lin
Lines r and s lie in the xy-plane. Is the y-intercept of line r less than the y-intercept of line s ? (1) At the intersection point of r and s, the x-coordinate and y-coordinate are both negative. (2)...
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If n=1 and (m-n)/p=2 then which of the following is not a
If n=1 and \frac{m-n}{p}=2 then which of the following is not a possible value of m? A. -2 B. -1 C. 0 D. 1 E. 2 This is Q 36 from Total GMAT MATH, I don't get the explanation provided in the book! BB...
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Khan Academy Videos OG 11
Hi, Here is the link to videos on answer explanations to the Quant section of OG11 by Khan Academy. As Most of the questions are repeated in the later versions of the OG, some people may find the...
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Geometry
The diameter of the circle with center O is 18m and AB is parallel to CD. Determine the length of the arc AB. (Refer to the figure below) A. [pie] B. 2*[pie] C. 3/2*[pie] D. 4*[pie] Could someone...
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S is the infinite sequence S1 = 2, S2 = 22, S3 = 222,...Sk =
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If a, b, and c are integers and ac + b is odd, is b odd?
If a, b, and c are integers and ac + b is odd, is b odd? (1) ac + ab is even (2) b + c is odd
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A data company recently conducted a survey to determine wh
A data company recently conducted a survey to determine whether people use product X or product Y. If fewer than 100 people were surveyed and each person used either one product or both, how many...
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If x$y = x – y for all values of x and y, is a$b greater t
If x$y = x – y for all values of x and y, is a$b greater than a$(a$b)? (1) a < 6 (2) b > 2
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If y is odd, is z odd?
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A natural number is divided into two positive unequal parts
A natural number is divided into two positive unequal parts such that the ratio of the original number to the larger (divided) part is equal to the ratio of the larger part to the smaller part. What is...
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A train travels at the rate of 10 miles/hr for the first hou
A train travels at the rate of 10 miles/hr for the first hour of a trip, at 20 miles/hr for the second hour, at 30 miles/hr for the third hour and so on. How many hours will it take the train to...
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[x] is the greatest integer less than or equal to the real n
[x] is the greatest integer less than or equal to the real number x. How many natural numbers n satisfy the equation [\sqrt{n}] = 17? A. 17 B. 34 C. 35 D. 36 E. 38
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Two musicians, Maria and Perry, work at independent constant
Two musicians, Maria and Perry, work at independent constant rates to tune a warehouse full of instruments. If both musicians start at the same time and work at their normal rates, they will complete...
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Henry answered 2/5 of the questions he was given for homewor
Henry answered \frac{2}{5} of the questions he was given for homework in the first hour, \frac{5}{7} of the remaining questions in the second hour and the remaining x questions in the third hour where...
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Mary's bucket can hold a maximum of how many liters of water
Mary's bucket can hold a maximum of how many liters of water? (1) The bucket contains 9 liters of water (2) If 3 liters of water are added to the bucket when it is half full of water, the amount of...
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