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If a≠b and a·b≠0, which of the following may be true?
If ab and ab0, which of the following may be true?A. a/b=b/aB. a^2=b^2C. (ab)^2<0D. ab=baE. (a+b)(ab)=0
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If a>b in the figure below, (the figure is not drawn to
Attachment:Triangle.pngIf a>b in the figure below, (the figure is not drawn to scale,) then which of the following must be true?A. x<0B. x=0C. x>0D. There is no x that fits the information in...
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List A and B contains 10 elements each
Data Sufficiency QuestionList A and B contains 10 elements each. Is the std deviation of set A > std deviation of set B1. Range of both the sets are equal2. Mean of set A is greater than set B
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The remainder of the division of a number by 63 is 27. What
The remainder of the division of a number by 63 is 27. What will be the remainder when that number is divided by 7?A) 4B) 5C) 6D) 7E) 8Please explainSource: 4gmat
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When a number is divided by a divisor it leaves a remainder
When a number is divided by a divisor it leaves a remainder 72. However, when twice the number is divided by the same divisor, the remainder obtained is 46. What is the value of the...
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PS in Gmat Prep
6 machines working at a constant rate can complete one task in 12 days. How many more machines, working at the same constant rate, will be needed to complete the same task in 8 days?A.2B.3C.8D.5E.4Have...
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On rainy mornings, Mo drinks exactly N cups of hot chocolate
On rainy mornings, Mo drinks exactly N cups of hot chocolate (assume that N is an integer). On mornings that are not rainy, Mo drinks exactly 5 cups of tea. Last week Mo drank a total of 26 cups of tea...
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Is quadrilateral ABCD a square?
Is quadrilateral ABCD a square?(1) AB=BC(2) ABCD is a rectangle.
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C/D = 9.75 When dividing positive integer C by positive
C/D = 9.75 When dividing positive integer C by positive integer D, the remainder is 3. Which of the following could be the value of C?A. 39B. 37C. 36D. 31E. 30
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A rectangular floor is covered by a rug
Q. A rectangular floor is covered by a rug except for a strip p meters wide along each of the four edges. If the floor is m meters by n meters, what is the area of the rug, in square meters?1....
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A Wagstaff prime is a prime number p such that p =
A Wagstaff prime is a prime number P such that P =\frac{2^Q + 1}{3} , when Q is another prime. If P and Q are positive integers, is P a Wagstaff prime?(1) P=Q(2) Q=(3^0)*3Attachment:Screen Shot...
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600-700 Leve; A set S contains
A set S contains numbers such that every element in the set S is greater than 1 and every element is a factor of both (3^7)*(5^3)*(7^2)*(11^7) and (2^3)*(3^3)*(5^6)(7) . What is the maximum possible...
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600-700 Level ; Terminating Decimal
Which of the following is/are terminating decimal(s)?I 299/(32^123)II 189/(49^99)III 127/(25^37)A) I onlyB) I and IIIC) II and IIID) II onlyE) I, II, IIIPlease explain your method. Also if possible,...
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Integer X represents the product of all integers between
Integer X represents the product of all integers between 1 to 25 (inclusive). The smallest prime factor of (x+1) must be _____________A) Between 1 to 10B) Between 11 to 15C) Between 15 to 20D) Between...
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how can i solve this problem without assuming x ?
few year back when a couple got married wife was 5 years older than her husband.However 20 years back the wife was twice as old as her husband.how old is the wife now ??
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How to understand math questions
sometimes i face difficulty understanding math questions but my friends can understand a question reading it for the first time. How can i understand a question as early as possible and get to know...
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Word Problems Involving Down Payments & Loans
I have twice seen questions which seem to ignore the subtraction of down payment in interest rate problems.For example, a $1,000 loan with a 20% down payment should have its interest calculated on the...
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If P and Q represent the hundreds and tens digits,
If P and Q represent the hundreds and tens digits, respectively, in the four-digit number x=8PQ2, is x divisible by 8?(1) P=4(2) Q=0
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