658498
Description
Flashcards by scottpcoen, updated more than 1 year ago
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Created by scottpcoen
about 10 years ago
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| Question | Answer |
| 145 300 610 1230 In the above sequence every term after the first is formed by multiplying by x and then adding y, where x and y are positive integers. What is the value of x + y? | 12 |
| A confectioner has 500 mint, 500 orange and 500 strawberry flavored sweets. He wishes to make packets containing 10 mint, 5 orange and 5 strawberry sweets. What is the maximum number of packets of this type he can make? | 50 |
| If S is the sum of 8,6,4,2 and x, what must be the value of x for x to equal 1/5 S ? | 5 |
| 25 per cent of 600 is equal to 15 per cent of what number? | 1000 |
| What is the maximum number of points of intersection of four distinct lines in a plane? | 6 |
| If one edge of a 6-inch ruler is to be marked in 1/10 inch units, how many marks will there be on the edge including the 0 and 6 inch marks? | 61 |
| Given that the sum of the odd integers from 1 to 99 inclusive is 2500, what is the sum of the even integers from 2 to 100 inclusive? | 2550 |
| In a certain game of 50 questions, the final score is calculated by subtracting twice the number of wrong answers from the total number of correct answers. If a player attempted all questions and received a final score of 35, how many wrong answers did he give? | 5 |
| What positive value for k would make the following the equations of a pair of parallel lines on the same coordinate axes? y = kx – 2 and ky = 9x – 7 | 3 |
| What is the sum of all the positive integer factors of 12? | 28 |
| The average IQ of 4 people is 110. If three of these people each have an IQ of 105, what is the IQ of the fourth person ? | 125 |
| Of 60 students in a class 2/3 are girls, and 2/5 of the class are taking music lessons. What is the maximum number of girls that are not taking music lessons? | 36 |
| One gallon of fuel mixture contains antifreeze in the ratio of 5 parts fuel to one part antifreeze. To this is added half a gallon of mixture which is one third antifreeze and two thirds fuel. What is the ratio of fuel to antifreeze in the final mixture? (Grid your answer as a fraction: fuel/antifreeze) | 7/2 |
| What is the total surface area of 2 identical cubes which together have a volume of 1458 units? | 972 |
| In a sequence of numbers the first number is 3 and each number after the first is 2 more than 3 times the preceding number. What is the fourth term in the sequence? | 107 |
| If the average of 3 and x is 5, and the average of 5 and y is 7, what is the average of x and y? | 8 |
| A right circular cylinder has a volume of 81π. If the circumference of the base is 6π, what is the height? | 9 |
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