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The difference in compound interest earned on a deposit (compounded an
The difference in compound interest earned on a deposit (compounded annually) in year 1 and year 2 is $ 40. Had the interest rate been three times its present value, the difference would have been how...
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How many ways can six friends be arranged around a circular dinner tab
How many ways can six friends be arranged around a circular dinner table?A. 16B. 48C. 96D. 120E. 720
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Two cars start moving simultaneously in different directions from poin
Two cars start moving simultaneously in different directions from point A at constant respective uniform speeds . What is the difference between their speeds (faster minus slower)?(1) After 2 hours,...
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What is the probability of rolling two normal six-sided dice and getti
Tough and Tricky questions: Probability.What is the probability of rolling two normal six-sided dice and getting exactly one six?A) 1/36B) 1/6C) 5/18D) 11/36E) 1/3Kudos for a correct solution.Source:...
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A student is to take her final exams in three subjects. The probabilit
Tough and Tricky questions: Probability.A student is to take her final exams in three subjects. The probability that she will pass the first subject is 3/4, the probability that she will pass the...
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What is the probability of tossing a coin five times and having heads
Tough and Tricky questions: Probability.What is the probability of tossing a coin five times and having heads appear at most three times?A) 1/16B) 5/16C) 2/5D) 13/16E) 27/32Kudos for a correct...
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A company seeks to hire a sales manager, a shipping clerk, and a recep
Tough and Tricky questions: Combinations.A company seeks to hire a sales manager, a shipping clerk, and a receptionist. The company has narrowed its candidate search and plans to interview all...
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Four contestants representing four different countries advance to the
Tough and Tricky questions: Combinations.Four contestants representing four different countries advance to the finals of a fencing championship. Assuming all competitors have an equal chance of...
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Six students - 3 boys and 3 girls - are to sit side by side for a make
Tough and Tricky questions: Combinations.Six students - 3 boys and 3 girls - are to sit side by side for a makeup exam. How many ways could they arrange themselves given that no two boys and no two...
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Which of the following leads to the correct mathematical solution for
Tough and Tricky questions: Combinations.Which of the following leads to the correct mathematical solution for the number of ways that the letters of the word BANANA could be arranged to create a...
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How many ways could three people sit at a table with five seats in whi
Tough and Tricky questions: Combinations.How many ways could three people sit at a table with five seats in which two of the five seats will remain empty?A) 8B) 12C) 60D) 118E) 120Kudos for a correct...
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For an upcoming charity event, a male vocalist has agreed to sing 4 ou
Tough and Tricky questions: Combinations.For an upcoming charity event, a male vocalist has agreed to sing 4 out of 6 old songs and 2 out of 5 new songs. How many ways can the singer make his...
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If 11 persons meet at a reunion and each person shakes hands exactly o
Tough and Tricky questions: Combinations.If 11 persons meet at a reunion and each person shakes hands exactly once with each of the others, what is the total number of handshakes?A) 11 10 9 8 7 6 5 4 3...
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Points J (3, 1) and K (– 1, – 3) are two vertices of an isosceles tria
Points J (3, 1) and K ( 1, 3) are two vertices of an isosceles triangle. If L is the third vertex and has a y-coordinate of 6, what is the x-coordinate of L?(A) 3(B) 4(C) 5(D) 6(E) 7For a collection of...
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1. If x > 2 and y < -2, then which of the following must be true
How come its is X/Y < 0 should it not be X/Y < -1Can someone help me understand this?
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If the perimeter of quadrilateral ABCD is 4, what is its area?
If the perimeter of quadrilateral ABCD is 4, what is its area?(1) All four sides of ABCD are of equal length.(2) All four internal angles of ABCD are right angles.
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If today the price of an item is $3,600, what was the price of the ite
Tough and Tricky questions: Word Problems.If today the price of an item is $3,600, what was the price of the item exactly 2 years ago?(1) The price of the item increased by 10 per-cent per year during...
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By what percent has the price of an overcoat been reduced?
Tough and Tricky questions: Word Problems.By what percent has the price of an overcoat been reduced?(1) The original price was $380.(2) The original price was $50 more than the reduced price.Kudos for...
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If the Longfellow Playground is rectangular, what is its width?
Tough and Tricky questions: Geometry.If the Longfellow Playground is rectangular, what is its width?(1) The ratio of its length to its width is 7 to 2. (2) The perimeter of the playground is 396...
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Is William taller than Jane? (1) William is taller than Anna. (2) Anna
Tough and Tricky questions: Word Problems.Is William taller than Jane?(1) William is taller than Anna.(2) Anna is not as tall as Jane.Kudos for a correct solution.
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