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WINK, Inc. follows a certain procedure that requires two tas
WINK, Inc. follows a certain procedure that requires two tasks to be finished independently in order for a job to be done. On any given day, there is a 7/8 probability that task 1 will be completed on...
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Two dogsled teams raced across a 300-mile course in Wyoming.
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If 5a = 9b = 15c, what is the value of a + b + c?
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In a group of 25 people, only three languages are spoken –
In a group of 25 people, only three languages are spoken English, Spanish and German. If there is at least one person who speaks all the three languages, how many people can interact with each other in...
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How many numbers that are not divisible by 6 divide evenly
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For each positive integer,the quantity [size=150]S[/size]n i
For each positive integer,the quantity Sn is defined such that Sn+2=(Sn)^2 - S(n+1).in addition ,S2=1.then which of the following must be true.a) S4 +S3 +1=0b) (S1)^2 +S4 +2=0c) if S1=-1 then S4 is...
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If k is a positive integer, then 20k is divisible by how man
If k is a positive integer, then 20k is divisible by how many different positive integers? (1) k is prime (2) k = 7[Reveal] Spoiler: Divisible by a positive integer -> factorNo of factors for a...
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The area of playground is 5600 sq meters. What will
The area of playground is 5600 sq. meters. What will be the cost of covering it with grass sheet 1cm deep, if cost of grassheet is $2.80 per cubic meter.a) $144b) $150.50c) $156.80d) $158.60e)...
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If n is an integer and k = 9.87 X 10^n, what is the value of
If n is an integer and k = 9.87 * 10^n, what is the value of n?(1) 10^{-4} < K < 10^{-3}(2) 10^3 < K^{-1} < 10^4Can someone please provide detailed explanations. Thanks!
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Is (x7)(y2)(z3)>0 ?
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Is x > y?
Is x > y?(1) x - 5 > y - 5(2) x^2> xy[Reveal] Spoiler: Sol:1)X-5>Y-5X-5>Y-5X-5-Y+5>0X-Y>0X>Y2)X^2>XYX^2>XYX^2-XY>0X(X-Y)>0X=0 or X=YAnswer is AIt is because...
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In which range does
In which range does deviation of 11, 10, 10, 10, 12 and 12 lie?A. 0-3B. 0-2C. 0-1D. 1-3E. 1-2I dont know how this has been solved. Can somebody please help
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In how many arrangements can a teacher seat 3 girls and 3 bo
In how many arrangements can a teacher seat 3 girls and 3 boys in a row of 6 seats if no two children of the same gender are to be adjacent?(A) 6(B) 12(C) 36(D) 72(E) 144
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At a meeting, 6 people are to be seated around a circular
At a meeting, 6 people are to be seated around a circular table. Two seating arrangements are considered different only when the positions of the people are different relative to each other. What is...
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How many different positive integers exist between 10^6
How many different positive integers exist between 10^6 and 10^7, the sum of whose digits is equal to 2?A. 6B. 7C. 5D. 8E. 18
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What is the highest integral value of 'k' for which the quad
What is the highest integral value of 'k' for which the quadratic equation x^2 - 6x + k = 0 have two real and distinct roots?A. 9B. 7C. 3D. 8E. 12
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Mary and Mike enter into a partnership by investing $700 and
Mary and Mike enter into a partnership by investing $700 and $300 respectively. At the end of one year, they divided their profits such that a third of the profit is divided equally for the efforts...
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The sum of the fourth and twelfth term of an arithmetic prog
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How many 3 digit positive integers exist that when divided
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When 242 is divided by a certain divisor the remainder obtai
When 242 is divided by a certain divisor the remainder obtained is 8. When 698 is divided by the same divisor the remainder obtained is 9. However, when the sum of the two numbers 242 and 698 is...
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