By Jeff
- **Dec 18**, 02:00 AM

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By Jeff
- **Dec 17**, 02:00 AM

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By Jeff
- **Dec 16**, 02:00 AM

Math
A train traveling at a certain constant speed takes 30 seconds longer to travel 2 kilometers than it would take to travel 4 kilometers at 120 kilometers per hour. At what speed, in kilometers per hour, is the train traveling?
A. 24
B. 40
C. 48
D. 96
E. 120
Question...

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By Jeff
- **Dec 15**, 02:00 AM

Math
A welder received an order to make a 1 million liter cube-shaped tank. If he has only 4x2 meter sheets of metal that can be cut, how many metal sheets will be required for this order? (1 cubic meter = 1,000 liters)
A. 92
B. 90
C. 82
D....

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By Jeff
- **Dec 14**, 02:00 AM

Math
A conference room is equipped with a total of 45 leather and upholstered chairs. If there are a total of 14 reclining chairs and 20% of the leather chairs are reclining, but 10 of the reclining chairs are upholstered, how many upholstered chairs are non-reclining?
A....

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By Jeff
- **Dec 11**, 02:00 AM

Math
If 12 ounces of a strong vinegar solution are diluted with 50 ounces of water to form a three-percent vinegar solution, what was the concentration of the original solution?
A. 19.3%
B. 17%
C. 16.67%
D. 15.5%
E. 12.5%
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse...

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By Jeff
- **Dec 10**, 02:00 AM

Math
After 6 games, team B had an average of 61.5 points per game. If the team scored 47 points in game 7, how many more points does the team need to score to get its total above 500?
A. 85
B. 84
C. 83
D. 74
E. 62
Question Discussion &...

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By Jeff
- **Dec 9**, 02:00 AM

Math
A contractor estimated that his 10-man crew could complete the construction in 110 days if there was no rain. (Assume the crew does not work on any rainy day and rain is the only factor that can deter the crew from working). However, on the...

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By Jeff
- **Dec 8**, 02:00 AM

Math
A circle is inscribed in a square with the diagonal of 4 centimeters. What is the approximate area of the square that is not occupied by the circle?
A. 1.7
B. 2.7
C. 3.4
D. 5.4
E. 8
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see...

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By Jeff
- **Dec 7**, 02:00 AM

Math
At a dog competition, a dog is awarded 10 points if it runs through 4 pipes, makes 10 jumps, and walks on 2 beams. If Roofy gets 9 points after missing a pipe and Ralph gets 7 points after missing a pipe and a beam,...

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