The only prime factors of the positive integer n are 2,3, and 5. What te the value of n ?
A certain nutritional study defined the /V-scorefot one serving of a food to be P- Q, where Pis the sum of 10 times the number of grams of fat and ttt the number of kilocalories of
energy provided per serving, and
(1) One serving of Food X provides exactly 400 kilocalories of energy.
(2) One serving of a food that provides 120 kilocalories of energy, 3 grams of fiber, and the same number of grams of fat as one serving of Food X has an N-score of 0.
What is the median of the numbers in set A?
(1) n is even.
(2) n is less than 7.
If y > 1, yz < –1, and –1< xy < 0, which of the following is the correct ordering of x, y, and z?
(1)x2 + 2y2 =XY
(2)x2 + 2y2-3xy
Does the positive integer n have at least four positive prime factors?
At a certain hospital, the number of babies born each day of the year 2002 was recorded. If 20 percent of the recorded numbers were greater than 7, was the median of the recorded numbers less than 5 ?
(1) Of the recorded numbers that were 7 or less, 75 percent were less than 5.
(2) Of the recorded numbers that were 5 or greater, 50 percent were 7 or less.
Is the integer N the square of a positive integer?
(1) N has an odd number of different positive integer divisors.
(2) Each of 9 and 25 is a divisor of N.
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