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Number N is randomly selected from a set of all primes betwe
Number N is randomly selected from a set of all primes between 10 and 40, inclusive. Number K is selected from a set of all multiples of 5 between 10 and 40 inclusive. What is the probability that N+K...
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A sum of $200,000 from a certain estate was divided among
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A charity planned to distribute 'n' pens (n
A charity planned to distribute 'n' pens (n<300) to students such that the 1st student gets 4 pens, 2nd gets 8, 3rd gets 12 and so on. However, it realized the pens were shrink wrapped in sets of...
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A set has a series of numbers such as a that
A set has a series of numbers such as a that a_{n+2}= a_n + a_{n+1} . What is the value of a_7:a_5?(1)The third term is 4(2)a_4: a_5 = 3:5Source: 4gmat
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If a_n= 0.5* a_n+1, what is the value of a_7
If a_n= 0.5* a_{n+1}, what is the value of a_7 ?(1) a_3 = 4(2) a_7 - a_1 = 63
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If x≠0, 3 or -9, is 3/(x^2 - 3) > 0?
If x0, 3 or -9, is 3/(x^2 - 3) > 0?(1) 1/x^2 > 0(2) -2/(x^2 - 2) < 0
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If m>2, is √m an integer?
If m>2, is m an integer?(1) m=2n, where n is a positive integer.(2) m1 is the product of two consecutive odd integers.
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Is the standard deviation of set Q equal to 0?
Is the standard deviation of set Q equal to 0?(1) The average (arithmetic mean) of set Q is equal to the greatest number in Q.(2) The median of set Q is equal to the greatest number in Q.
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If a, b and c are integers, what is the value of a?
If a, b and c are integers, what is the value of a?(1) 2^a+2^b=33(2) ac=5
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What is the radius of the circle shown?
Attachment:circle_radius.JPGWhat is the radius of the circle shown?(1) The measure of arc PQ is 4. (2) The center of the circle is at point O.
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If |m+5|−5 = m, which of the following must be true?
If |m+5|5 = m, which of the following must be true?A. m = 0B. m = 10C. m is a multiple of 5.D. m 5E. |m+5| > 0
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If x is not equal to 0 and x^y=1, then which of the followin
If x is not equal to 0 and x^y=1, then which of the following must be true?I. x=1II. x=1 and y=0III. x=1 or y=0A. I onlyB. II onlyC. III onlyD. I and III onlyE. None[Reveal] Spoiler: Answer is None of...
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Figure ABCD is a square with sides of length x. Arcs AB, AD,
Figure ABCD (below) is a square with sides of length x. Arcs AB, AD, BC, and DC are all semicircles. What is the area of the red region, in terms of x?
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Each month a retailer sells 100 identical items. On each it
Each month a retailer sells 100 identical items. On each item he makes a profit of $20 that constitutes 10% of the item's price to the retailer. If the retailer contemplates giving a 5% discount on the...
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If x is an integer, is x^3 divisible by 9?
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In the correctly-worked multiplication problem above, each
Attachment:Untitled.pngIn the correctly-worked multiplication problem above, each symbol represents a different nonzero digit. What is the value of ?(1) is prime(2) is not prime
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a is the hundreds digit of the three digit integer x, b
a is the hundreds digit of the three digit integer x, b is the tens digit of x, and c is the units digit of x. a = 2b = 4c, and a > 0. What is the difference between the two greatest possible values...
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