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1. Question1 point(s)CorrectIncorrect
2. Question1 point(s)
If d is a positive integer, is an integer?
(i) d is the square of an integer.
(ii) √d is the square of an integer.CorrectIncorrect
3. Question1 point(s)
The length of the edging that surrounds circular garden K is 1/2 the length of the edging that surrounds circular garden G. What is the area of garden K ? (Assume that the edging has negligible width.)
(i) The area of G is 25π square meters.
(ii) The edging around G is 10π meters long.CorrectIncorrect
4. Question1 point(s)
The range of the numbers in set S is x, and the range of the numbers in set T is y. If all of the numbers in set T are also in set S, is x greater than y ?
(i) Set S consists of 7 numbers.
(ii) Set T consists of 6 numbers.CorrectIncorrect
5. Question1 point(s)
The hypotenuse of a right triangle is 10 cm. What is the perimeter, in centimeters, of the triangle?
(i) The area of the triangle is 25 square centimeters.
(ii) The 2 legs of the triangle are of equal length.CorrectIncorrect
6. Question1 point(s)
What was the revenue that a theater received from the sale of 400 tickets, some of which were sold at the full price and the remainder of which were sold at a reduced price?
(i) The number of tickets sold at the full price was 1/4 of the total number of tickets sold.
(ii) The full price of a ticket was $25.CorrectIncorrect
7. Question1 point(s)
A box contains only red chips, white chips, and blue chips. If a chip is randomly selected from the box, what is the probability that the chip will be either white or blue?
(i) The probability that the chip will be blue is 1/5.
(ii) The probability that the chip will be red is 1/3.CorrectIncorrect
8. Question1 point(s)
If Q is an integer between 10 and 100, what is the value of Q?
(i) One of Q’s digits is 3 more than the other, and the sum of its digits is 9.
(ii) Q < 50CorrectIncorrect
9. Question1 point(s)
How many of the boys in a group of 100 children have brown hair?
(i) Of the children in the group, 60 percent have brown hair.
(ii) Of the children in the group, 40 are boys.CorrectIncorrect
10. Question1 point(s)
The annual rent collected by a corporation from a certain building was x percent more in 1998 than in 1997 and y percent less in 1999 than in 1998. Was the annual rent collected by the corporation from the building more in 1999 than in 1997 ?
(ii) (xy/100)< (x – y)CorrectIncorrect