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If n is a positive integer, what is the units digit of n?
If n is a positive integer, what is the units digit of n? (1) the units digit of (n+4)^2 is 4 (2) the units digit of (n+3)^2 is 1[Reveal] Spoiler: Any other alternative solution
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If n has 15 positive divisors, inclusive of 1 and n, then wh
If n has 15 positive divisors, inclusive of 1 and n, then which of the following could be the number of divisors of 3n? I. 20 II. 30 III. 40 A. II only B. I and II only C. I and III only D. II and III...
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Question on terminating zero's?
If we were given a question to find the number of zero's in the product of the first 100 integers then can we use the following we know that to find the zero's we need 5 and 2 so we can focus on the...
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The radii of two circles are 2 inches and 4 inches, respecti
The radii of two circles are 2 inches and 4 inches, respectively. What is the distance between their centres? (1) The two circles touch internally. (2) The centre of the larger circle lies on the...
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How many ways can you distribute 5 marbles in 3 baskets
How many ways can you distribute 5 marbles in 3 identical baskets such that each baskets has at least 1 marble. I'm trying to solve this question using the "slot method" (the slot method is the method...
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Permutation and combination Practice Questions
1. Find the number of different 8-letter arrangements that can be made from the letters of the word DAUGHTER so that: (i) all vowels occur together (ii) all vowels do not occur together. 2. Find the...
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Gave some numbers about money cost. Is the range of these nu
Gave some numbers about money cost. Is the range of these numbers greater than $500? (1) The median is $1,000 (2) Standard deviation is $500 I have extracted this question from a question bank that i...
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What is the value of a two-digit positive integer n, where i
What is the value of a two-digit positive integer n, where is n<=85. (1) n has 12 factors, inclusive of 1 and n itself (2) n is a multiple of 3.
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Given 2^(4x) = 1600, what is the value of [2^(x-1)]^4
Given 2^{4x} = 1600, what is the value of \frac{[2^{(x-1)}]^4}{[2^x]^2} A. 2 B. 5/2 C. 5 D. 25/4 E. 24
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ABCD is the inscribed quadrilateral in the given circle
Attachment:Geometry_PS.pngA. 8 Pi r /9 B. 18 Pi r /11 C. 11 Pi r /18 D. 9 Pi r /8 E. 4 Pi r /9
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Is the tens digit of a three-digit positive integer p
Is the tens digit of a three-digit positive integer p divisible by 3? (1) p-7 is a multiple of 3 (2) p-13 is a multiple of 3
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A/B is a fraction such that A and B are co-prime positive
A/B is a fraction such that A and B are co-prime positive integers. What can be the value of B such that A/B is not a non-terminating decimal? (A) 28 (B) 42 (C) 84 (D) 128 (E) More than two answers are...
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Need link to all "Thurdays with Ron" videos
Hi All, Yesterday, I saw a page with a compilation of all of Ron's videos. I forgot to bookmark it..now I cannot find it again! Can anyone share the link? (The page upto date with March 2013 videos)....
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What is the result when x is rounded to the nearest hundredt
This topic have been merged with: http://gmatclub.com/forum/topic-88157.html
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Is x=1?
1. Is x=1? (1) If x were rounded to the nearest thousandth, the result would be 1 (2) If x were rounded to the nearest tenth, the result would be equal to the exact value of x Bunuel/Karishma- Can you...
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Could anyone please share those Sandeep Gupta's compilation
Could anyone please share those Sandeep Gupta's compilation of 700-800 level quant questions.
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What is the difference of the integers m and n ?
What is the difference of the integers m and n ? (1) m = -n (2) |m|= - |n|
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N is an integer. Is N negative ?
N is an integer. Is N negative ? (1) |N| = -N (2) N^4 = N^2
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Consolidated "Thursdays with Ron" Quant & DS
Hi All, This is the consolidated "Thursdays with Ron" Quant and DS list. Hope it helps! December 3, 2009: Quantitative: Combinatorics http://vimeo.com/11327864 December 17, 2009: Quantitative:...
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What is the standard deviation (SD) of the four numbers
What is the standard deviation (SD) of the four numbers p, q, r, s? (1) The sum of p, q, r and s is 16 (2) The sum of the squares of p, q, r and s is 208
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