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f2001290
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1)The subset of [x, y, z] is x, y, z, xy, xz, yz, xyz. How many subsets of [x, y, z, w] contain w?
Ans: 8
2) 2)K=wxyz, where w, x, y, z are prime numbers. Not including 1 and K, how many factors does K have?
Ans: 14
3) 3)Each of the 30 boxes in a certain shipment weighs either 10 pounds or 20 pounds, and average (arithmetic mean) weight of the boxes in the shipment is 18 pounds. If the average weight of the boxes in the shipment is to be reduced to 14 pounds by removing some of the 20-pound boxes, how many 20-pound boxes must be removed?
Ans: 20
5) 5)In a class of 120 students, 80 can speak English, 70 can speak Spain, and 60 can speak French. If every student in the class can speak at least one of the languages, at least how many of students in class can speak all the three languages?
Ans) This question cannot be answered with the given information.
The answers given here are not OA's. Please confirm these solutions
Ans: 8
2) 2)K=wxyz, where w, x, y, z are prime numbers. Not including 1 and K, how many factors does K have?
Ans: 14
3) 3)Each of the 30 boxes in a certain shipment weighs either 10 pounds or 20 pounds, and average (arithmetic mean) weight of the boxes in the shipment is 18 pounds. If the average weight of the boxes in the shipment is to be reduced to 14 pounds by removing some of the 20-pound boxes, how many 20-pound boxes must be removed?
Ans: 20
5) 5)In a class of 120 students, 80 can speak English, 70 can speak Spain, and 60 can speak French. If every student in the class can speak at least one of the languages, at least how many of students in class can speak all the three languages?
Ans) This question cannot be answered with the given information.
The answers given here are not OA's. Please confirm these solutions
